DataGenetics
http://datagenetics.com
Blog from DataGentics: Data Decoded. Value Unlocked.Nick@DataGenetics.com (Nick Berry)en-ushttp://datagenetics.com/rss/rsslogo.pngDataGenetics
http://datagenetics.com
Red, White, Blue coin weighing puzzle
http://datagenetics.com/blog/august12020/index.html
http://datagenetics.com/blog/august12020/index.htmlFri, 31 Jul 2020 00:00:00 GMTSeparating six coins in two weighings - a better solution.Separating six coins in two weighings - a better solution.
]]>Red, White, Blue coin weighing puzzle
http://datagenetics.com/blog/july42020/index.html
http://datagenetics.com/blog/july42020/index.htmlWed, 29 Jul 2020 00:00:00 GMTSeparating six coins in two weighings?Separating six coins in two weighings?
]]>Imposter Syndrome
http://datagenetics.com/blog/july32020/index.html
http://datagenetics.com/blog/july32020/index.htmlMon, 11 Jul 2020 00:00:00 GMTI am a fraud!I am a fraud!
]]>Rocket Science
http://datagenetics.com/blog/july22020/index.html
http://datagenetics.com/blog/july22020/index.htmlThu, 09 Jul 2020 00:00:00 GMTA beginner’s guide to Astronautics.A beginner’s guide to Astronautics.
]]>Firework Science
http://datagenetics.com/blog/july12020/index.html
http://datagenetics.com/blog/july12020/index.htmlSun, 05 Jul 2020 00:00:00 GMTA quick look at the ballistics and stability of aerial fireworks.A quick look at the ballistics and stability of aerial fireworks.
]]>Three d20 betting game
http://datagenetics.com/blog/june122020/index.html
http://datagenetics.com/blog/june122020/index.htmlTue, 30 Jun 2020 00:00:00 GMTWhat is the probability that one dice rolls between two others?What is the probability that one dice rolls between two others?
]]>Musical Intermission
http://datagenetics.com/blog/june112020/index.html
http://datagenetics.com/blog/june112020/index.htmlMon, 29 Jun 2020 00:00:00 GMTOver eleven years of blogging!Over eleven years of blogging!
]]>Social Distancing at the Park
http://datagenetics.com/blog/june102020/index.html
http://datagenetics.com/blog/june102020/index.htmlSun, 28 Jun 2020 00:00:00 GMTWhat is the best way?What is the best way?
]]>Gold Cubes
http://datagenetics.com/blog/june92020/index.html
http://datagenetics.com/blog/june92020/index.htmlFri, 26 Jun 2020 00:00:00 GMTHow to fairly distribute cubes of gold.How to fairly distribute cubes of gold.
]]>Toxic Sludge Puzzle
http://datagenetics.com/blog/june82020/index.html
http://datagenetics.com/blog/june82020/index.htmlSat, 20 Jun 2020 00:00:00 GMTHow many people will it take to empty the sludge in an hour?How many people will it take to empty the sludge in an hour?
]]>Second Place?
http://datagenetics.com/blog/june72020/index.html
http://datagenetics.com/blog/june72020/index.htmlThu, 18 Jun 2020 00:00:00 GMTWhat is the probability that the second ranked team makes it to the final?What is the probability that the second ranked team makes it to the final?
]]>Perfect Roots Puzzle
http://datagenetics.com/blog/june62020/index.html
http://datagenetics.com/blog/june62020/index.htmlWed, 17 Jun 2020 00:00:00 GMTWhat is the smallest number that is a perfect square, cube, and fifth power?What is the smallest number that is a perfect square, cube, and fifth power?
]]>Social Distancing Puzzle
http://datagenetics.com/blog/june52020/index.html
http://datagenetics.com/blog/june52020/index.htmlMon, 15 Jun 2020 00:00:00 GMTHow many ways can people sit safely at a bar?How many ways can people sit safely at a bar?
]]>Two Swimmers
http://datagenetics.com/blog/june42020/index.html
http://datagenetics.com/blog/june42020/index.htmlSun, 14 Jun 2020 00:00:00 GMTCan you work out the length of the pool?Can you work out the length of the pool?
]]>Cut and Restored Checkerboard
http://datagenetics.com/blog/june32020/index.html
http://datagenetics.com/blog/june32020/index.htmlWed, 10 Jun 2020 00:00:00 GMTIf you cut, shuffle, and restore a 4x4 checkerboard, what are the chances you'll end up with a checkerboard again?If you cut, shuffle, and restore a 4x4 checkerboard, what are the chances you'll end up with checkerboard again?
]]>Birthday and Free Movie Ticket
http://datagenetics.com/blog/june22020/index.html
http://datagenetics.com/blog/june22020/index.htmlSun, 07 Jun 2020 00:00:00 GMTMaximizing your chance of winning a free movie ticket.Maximizing your chance of winning a free movie ticket.
]]>Chess Tournament Puzzle
http://datagenetics.com/blog/june12020/index.html
http://datagenetics.com/blog/june12020/index.htmlThu, 04 Jun 2020 00:00:00 GMTIs is better to play a weak or strong opponent more than once?Is is better to play a weak or strong opponent more than once?
]]>50:50 Sock Puzzle
http://datagenetics.com/blog/may42020/index.html
http://datagenetics.com/blog/may42020/index.htmlSun, 31 May 2020 00:00:00 GMTHow many socks do you need to take to have a 50% chance of getting the pair you want?How many socks do you need to take to have a 50% chance of getting the pair you want?
]]>711 Price Puzzle
http://datagenetics.com/blog/may32020/index.html
http://datagenetics.com/blog/may32020/index.htmlWed, 27 May 2020 00:00:00 GMTFour items whose sum of prices is the same as their product.Four items whose sum of prices is the same as their product.
]]>One Dice or Two?
http://datagenetics.com/blog/may22020/index.html
http://datagenetics.com/blog/may22020/index.htmlFri, 22 May 2020 00:00:00 GMTHow often will one dice roll win over two?How often will one dice roll win over two?
]]>Multi Armed Bandit Game
http://datagenetics.com/blog/may12020/index.html
http://datagenetics.com/blog/may12020/index.htmlTue, 05 May 2020 00:00:00 GMTI wrote another multiplayer game.I wrote another multiplayer game.
]]>Three Triangles Puzzle
http://datagenetics.com/blog/april32020/index.html
http://datagenetics.com/blog/april32020/index.htmlFri, 30 Apr 2020 00:00:00 GMTWhat is the area of the shaded regions?What is the area of the shaded regions?
]]>Motion Camouflage
http://datagenetics.com/blog/april22020/index.html
http://datagenetics.com/blog/april22020/index.htmlSun, 26 Apr 2020 00:00:00 GMTCreeping up without being noticed.Creeping up without being noticed.
]]>Space Miner
http://datagenetics.com/blog/april12020/index.html
http://datagenetics.com/blog/april12020/index.htmlSun, 12 Apr 2020 00:00:00 GMTI wrote a multiplayer game.I wrote a multiplayer game.
]]>Monoliths and Bricks
http://datagenetics.com/blog/march112020/index.html
http://datagenetics.com/blog/march112020/index.htmlSun, 29 Mar 2020 00:00:00 GMTHow could '2001: A Space Odyssey' have been geekier?How could '2001: A Space Odyssey' have been geekier?
]]>Bucket of Dice
http://datagenetics.com/blog/march102020/index.html
http://datagenetics.com/blog/march102020/index.htmlFri, 27 Mar 2020 00:00:00 GMTHow many dice do you have to roll to have 95% confidence you'll get at least one six?How many dice do you have to roll to have 95% confidence you'll get at least one six?
]]>Two sixes in a row
http://datagenetics.com/blog/march92020/index.html
http://datagenetics.com/blog/march92020/index.htmlTue, 24 Mar 2020 00:00:00 GMTHow often does this happen?How often does this happen?
]]>Four-of-a-kind in the dark
http://datagenetics.com/blog/march82020/index.html
http://datagenetics.com/blog/march82020/index.htmlSun, 22 Mar 2020 00:00:00 GMTHow many cards must you deal?How many cards must you deal?
]]>Pythagoras Revisited
http://datagenetics.com/blog/march72020/index.html
http://datagenetics.com/blog/march72020/index.htmlFri, 20 Mar 2020 00:00:00 GMTInteresting fact about the Pythagorean theorem.Interesting fact about the Pythagorean theorem.
]]>Blackjack
http://datagenetics.com/blog/march62020/index.html
http://datagenetics.com/blog/march62020/index.htmlWed, 18 Mar 2020 00:00:00 GMTWhat is the probability of dealing a Blackjack?What is the probability of dealing a Blackjack?
]]>Toilet Paper: How long does it last?
http://datagenetics.com/blog/march52020/index.html
http://datagenetics.com/blog/march52020/index.htmlTue, 17 Mar 2020 00:00:00 GMTThe relationship between size and consumption.The relationship between size and consumption.
]]>Sum of Digits
http://datagenetics.com/blog/march42020/index.html
http://datagenetics.com/blog/march42020/index.htmlMon, 16 Mar 2020 00:00:00 GMTCan you write code to sum up all the digits in numbers 1-N?Can you write code to sum up all the digits in numbers 1-N?
]]>Heroic Triangles
http://datagenetics.com/blog/march32020/index.html
http://datagenetics.com/blog/march32020/index.htmlTue, 10 Mar 2020 00:00:00 GMTTriangles with integer edges and integer areas.Triangles with integer edges and integer areas.
]]>Finding Nemo
http://datagenetics.com/blog/march22020/index.html
http://datagenetics.com/blog/march22020/index.htmlSun, 08 Mar 2020 00:00:00 GMTHow long does it take Nemo's forgetful friend to find him?How long does it take Nemo's forgetful friend to find him?
]]>Another Painted Cube Puzzle
http://datagenetics.com/blog/march12020/index.html
http://datagenetics.com/blog/march12020/index.htmlWed, 04 Mar 2020 00:00:00 GMTHow many sides were painted?How many sides were painted?
]]>Glass Half Full?
http://datagenetics.com/blog/february32020/index.html
http://datagenetics.com/blog/february32020/index.htmlFri, 28 Feb 2020 00:00:00 GMTHow good are you at estimating a half-full glass?How good are you at estimating a half-full glass?
]]>Giving Back
http://datagenetics.com/blog/february22020/index.html
http://datagenetics.com/blog/february22020/index.htmlThu, 20 Feb 2020 00:00:00 GMTWant to invite me as a guest lecturer?Want to invite me as a guest lecturer?
]]>Who finished second?
http://datagenetics.com/blog/february12020/index.html
http://datagenetics.com/blog/february12020/index.htmlTue, 11 Feb 2020 00:00:00 GMTA fun little puzzle created by the NSA in 2016.A fun little puzzle created by the NSA in 2016.
]]>Gambler's ruin
http://datagenetics.com/blog/january42020/index.html
http://datagenetics.com/blog/january42020/index.htmlSat, 25 Jan 2020 00:00:00 GMTHow easy (or not) is it double your money in a casino?How is easy (or not) is it double your money in a casino?
]]>Random points in a sphere
http://datagenetics.com/blog/january32020/index.html
http://datagenetics.com/blog/january32020/index.htmlSat, 11 Jan 2020 00:00:00 GMTHow do you generate random points in a sphere?How do you generate random points in a sphere?
]]>CES 2020
http://datagenetics.com/blog/january22020/index.html
http://datagenetics.com/blog/january22020/index.htmlSat, 11 Jan 2020 00:00:00 GMTNotes from my visit to the 2020 Consumer Electronics Show.Notes from my visit to the 2020 Consumer Electronics Show.
]]>Spelling Bee Solver
http://datagenetics.com/blog/january12020/index.html
http://datagenetics.com/blog/january12020/index.htmlSun, 05 Jan 2020 00:00:00 GMTSolver for the New York Times Spelling Game.Solver for the New York Times Spelling Game.
]]>The Best Full House
http://datagenetics.com/blog/december22019/index.html
http://datagenetics.com/blog/december22019/index.htmlFri, 27 Dec 2019 00:00:00 GMTWhat is the best Full House you can be dealt in Poker? (Warning: You'll probably get it wrong)What is the best Full House you can be dealt in Poker? (Warning: You'll probably get it wrong)
]]>String Selfie
http://datagenetics.com/blog/december12019/index.html
http://datagenetics.com/blog/december12019/index.htmlMon, 23 Dec 2019 00:00:00 GMTWinding a single thread around a collection of pins to make an image.Winding a single thread around a collection of pins to make an image.
]]>Sampling from non-symmetric discrete outcomes
http://datagenetics.com/blog/november52019/index.html
http://datagenetics.com/blog/november52019/index.htmlWed, 27 Nov 2019 00:00:00 GMTA super clever algorithm.A super clever algorithm.
]]>Recovering Source Code Puzzle
http://datagenetics.com/blog/november42019/index.html
http://datagenetics.com/blog/november42019/index.htmlSat, 16 Nov 2019 00:00:00 GMTWhat is the fastest way to recover these missing constants?What is the fastest way to recover these missing constants?
]]>Wood does not really burn
http://datagenetics.com/blog/november32019/index.html
http://datagenetics.com/blog/november32019/index.htmlFri, 15 Nov 2019 00:00:00 GMTWhen you sit infront of a fire, it's not the wood that is burning.When you sit infront of a fire, it's not that wood that is burning.
]]>Heavy Hitters Algorithm
http://datagenetics.com/blog/november22019/index.html
http://datagenetics.com/blog/november22019/index.htmlWed, 06 Nov 2019 00:00:00 GMTHow to, efficiently, find the most popular items in a large dataset.How to, efficiently, find the most popular items in a large dataset.
]]>Zeller`s Congruence
http://datagenetics.com/blog/november12019/index.html
http://datagenetics.com/blog/november12019/index.htmlFri, 01 Nov 2019 00:00:00 GMTHow computers calculate the day of the week.How computers calculate the day of the week.
]]>Self Similarity
http://datagenetics.com/blog/october32019/index.html
http://datagenetics.com/blog/october32019/index.htmlTue, 22 Oct 2019 00:00:00 GMTA guest post from Rami Luisto about self-similarity.A guest post from Rami Luisto about self-similarity.
]]>Sum Free Sets
http://datagenetics.com/blog/october22019/index.html
http://datagenetics.com/blog/october22019/index.htmlWed, 16 Oct 2019 00:00:00 GMTHow can you arrange numbers into sets so that no two elements adds up to a third?How can you arrange numbers into sets so that no two elements adds up to a third?
]]>Four Points Puzzle
http://datagenetics.com/blog/october12019/index.html
http://datagenetics.com/blog/october12019/index.htmlSun, 06 Oct 2019 00:00:00 GMTHow can you arrange four points so that there are only two distinct distances between any pair?How can you arrange four points so that there are only two distinct distances between any pair?
]]>Star Polygons
http://datagenetics.com/blog/september42019/index.html
http://datagenetics.com/blog/september42019/index.htmlFri, 20 Sep 2019 00:00:00 GMTCreating stars from regular polygons.Creating stars from regular polygons.
]]>Venture Beat Article
http://datagenetics.com/blog/september32019/index.html
http://datagenetics.com/blog/september32019/index.htmlThu, 12 Sep 2019 00:00:00 GMTThank you to my friend, Dean Takahashi, for writing a moving article about my condition.Thank you to my friend, Dean Takahashi, for writing a moving article about my condition.
]]>Tessellating Regular Polygons
http://datagenetics.com/blog/september22019/index.html
http://datagenetics.com/blog/september22019/index.htmlSun, 08 Sep 2019 00:00:00 GMTWhy do some polygons tessellate and others do not?Why do some polygons tessellate and others do not?
]]>Elf Chalkboard Puzzle
http://datagenetics.com/blog/september12019/index.html
http://datagenetics.com/blog/september12019/index.htmlTue, 03 Sep 2019 00:00:00 GMTIf math elves replace pairs of numbers with their differences, will the result be odd or even?If math elves replace pairs of numbers with their differences, will the result be odd or even?
]]>Pearl Bracelet
http://datagenetics.com/blog/august12019/index.html
http://datagenetics.com/blog/august12019/index.htmlWed, 28 Aug 2019 00:00:00 GMTWhat is the relationship between the diameter of a bracelet and the diameter of the pearls that make it?What is the relationship between the diameter of a bracelet and the diameter of the pearls that make it?
]]>Video Poker Strategy
http://datagenetics.com/blog/july32019/index.html
http://datagenetics.com/blog/july32019/index.htmlSun, 21 Jul 2019 00:00:00 GMTWhat is the optimal holding strategy when playing video poker?What is the optimal holding strategy when playing video poker?
]]>A^B or B^A
http://datagenetics.com/blog/july22019/index.html
http://datagenetics.com/blog/july22019/index.htmlFri, 07 Jul 2019 00:00:00 GMTWhich is bigger: A^B or B^A?Which is bigger: A^B or B^A?
]]>Approximating the Sine Function
http://datagenetics.com/blog/july12019/index.html
http://datagenetics.com/blog/july12019/index.htmlMon, 01 Jul 2019 00:00:00 GMTHow close can we get to approximating the trig function sine using very simple polynomials?How close can we get to approximating the trig function sine using very simple polynomials?
]]>Sad News
http://datagenetics.com/blog/june12019/index.html
http://datagenetics.com/blog/june12019/index.htmlSat, 01 Jun 2019 00:00:00 GMTI have some sad news to share.I have some sad news to share.
]]>Word Ladder Solver (Longest Solutions)
http://datagenetics.com/blog/april32019/index.html
http://datagenetics.com/blog/april32019/index.htmlTue, 09 Apr 2019 00:00:00 GMTLongest solutions to the distinct shortest lengths distinct word ladder problems.Longest solutions to the distinct shortest lengths distinct word ladder problems.
]]>Word Ladder Solver
http://datagenetics.com/blog/april22019/index.html
http://datagenetics.com/blog/april22019/index.htmlSun, 07 Apr 2019 00:00:00 GMTTransforming words, one letter at a time.Transforming words, one letter at a time.
]]>One Trillion Dollars
http://datagenetics.com/blog/april12019/index.html
http://datagenetics.com/blog/april12019/index.htmlSun, 31 Mar 2019 00:00:00 GMTHow long would it take to count a trillion dollars?How long would it take to count a trillion dollars?
]]>Optimal Shooting Angle
http://datagenetics.com/blog/march12019/index.html
http://datagenetics.com/blog/march12019/index.htmlTue, 19 Mar 2019 00:00:00 GMTWhat is the best location to shoot at the goal from?What is the best location to shoot at the goal from?
]]>Uncut Spaghetti
http://datagenetics.com/blog/february82019/index.html
http://datagenetics.com/blog/february82019/index.htmlSat, 23 Feb 2019 00:00:00 GMTCan you connect each square on a grid with a single thread?Can you connect each square on a grid with a single thread?
]]>Birthday Paradox Revisited
http://datagenetics.com/blog/february72019/index.html
http://datagenetics.com/blog/february72019/index.htmlTue, 13 Feb 2019 00:00:00 GMTLooking at the birthday paradox with real data.Looking at the birthday paradox with real data.
]]>Drones and Helicopters
http://datagenetics.com/blog/february62019/index.html
http://datagenetics.com/blog/february62019/index.htmlFri, 08 Feb 2019 00:00:00 GMTWhy are we trying to scale-up drones and not just use helicopters? It’s unmerited!Why are we trying to scale-up drones and not just use helicopters? It’s unmerited!
]]>AIME Math Puzzle
http://datagenetics.com/blog/february52019/index.html
http://datagenetics.com/blog/february52019/index.htmlTue, 05 Feb 2019 00:00:00 GMTA fun little problem from a past American Invitational Mathematics test.A fun little problem from a past American Invitational Mathematics test.
]]>Christmas Tree Lights
http://datagenetics.com/blog/february42019/index.html
http://datagenetics.com/blog/february42019/index.htmlMon, 04 Feb 2019 00:00:00 GMTSomething weird happens when you wrap lights tightly around a conical tree.Something weird happens when you wrap lights tightly around a conical tree.
]]>Bogus Science
http://datagenetics.com/blog/february32019/index.html
http://datagenetics.com/blog/february32019/index.htmlFri, 01 Feb 2019 00:00:00 GMTWhat is really happening when you throw a cup of boiling water into frigid air?What is really happening when you throw a cup of boiling water into frigid air?
]]>Ten square units
http://datagenetics.com/blog/february22019/index.html
http://datagenetics.com/blog/february22019/index.htmlWed, 30 Jan 2019 00:00:00 GMTHow can you make a ten square unit square on a chessboard?How can you make a ten square unit square on a chessboard?
]]>How many squares on a chess board?
http://datagenetics.com/blog/february12019/index.html
http://datagenetics.com/blog/february12019/index.htmlMon, 28 Jan 2019 00:00:00 GMT(and a puzzle dating back to 2002).(and a puzzle dating back to 2002.)
]]>Cutting a Square Cake
http://datagenetics.com/blog/january82019/index.html
http://datagenetics.com/blog/january82019/index.htmlWed, 23 Jan 2019 00:00:00 GMTHow do you fairly cut a square cake into three pieces?How do you fairly cut a square cake into three pieces?
]]>Square and Arc Puzzle
http://datagenetics.com/blog/january72019/index.html
http://datagenetics.com/blog/january72019/index.htmlTue, 22 Jan 2019 00:00:00 GMTWhat is the ratio of the smaller square to the larger square?What is the ratio of the smaller square to the larger square?
]]>Semicircle Puzzle
http://datagenetics.com/blog/january62019/index.html
http://datagenetics.com/blog/january62019/index.htmlFri, 18 Jan 2019 00:00:00 GMTWhat is the area of the shaded region?What is the area of the shaded region?
]]>Multiple Choice Quizzes
http://datagenetics.com/blog/january52019/index.html
http://datagenetics.com/blog/january52019/index.htmlThu, 17 Jan 2019 00:00:00 GMTLimitations of multiple choice exams (and a potential solution?)Limitations of multiple choice exams (and a potential solution?)
]]>CES 2019
http://datagenetics.com/blog/january42019/index.html
http://datagenetics.com/blog/january42019/index.htmlSat, 12 Jan 2019 00:00:00 GMTNotes from my annual pilgrimage, and thoughts for the future.Notes from my annual pilgrimage, and thoughts for the future.
]]>Rotagrams
http://datagenetics.com/blog/january32019/index.html
http://datagenetics.com/blog/january32019/index.htmlSun, 06 Jan 2019 00:00:00 GMTAnagrams made by rotating letters.Anagrams made by rotating letters.
]]>2018 Traffic Data
http://datagenetics.com/blog/january22019/index.html
http://datagenetics.com/blog/january22019/index.htmlThu, 03 Jan 2019 00:00:00 GMTHow much traffic does a blog get?How much traffic does a blog get?
]]>Sudoku Solver
http://datagenetics.com/blog/january12019/index.html
http://datagenetics.com/blog/january12019/index.htmlSun, 30 Dec 2018 00:00:00 GMTOnline Sudoku Solver.Online Sudoku Solver.
]]>Christmas elves puzzle
http://datagenetics.com/blog/december52018/index.html
http://datagenetics.com/blog/december52018/index.htmlThu, 27 Dec 2018 00:00:00 GMTHow many additional elves does Santa need to ensure toys are made on time?How many additional elves does Santa need to ensure toys are made on time?
]]>Optimal Picture Viewing Distance
http://datagenetics.com/blog/december42018/index.html
http://datagenetics.com/blog/december42018/index.htmlWed, 19 Dec 2018 00:00:00 GMTHow far away should you stand from a picture?How far away should you stand from a picture?
]]>von Neumann Poker Analysis
http://datagenetics.com/blog/december32018/index.html
http://datagenetics.com/blog/december32018/index.htmlThu, 13 Dec 2018 00:00:00 GMTNash Equilibria, and optimal play for simple poker game.Nash Equilibria, and optimal play for simple poker game.
]]>Self Avoiding Walks
http://datagenetics.com/blog/december22018/index.html
http://datagenetics.com/blog/december22018/index.htmlSat, 08 Dec 2018 00:00:00 GMTHow to walk a checkerboard visiting each square only once.How to walk a checkerboard visiting each square only once.
]]>Site Redesign
http://datagenetics.com/blog/december12018/index.html
http://datagenetics.com/blog/december12018/index.htmlSun, 02 Dec 2018 00:00:00 GMTMajor site redesign to support responsive rendering.Major site redesign to support responsive rendering.
]]>Stereograms
http://datagenetics.com/blog/november22018/index.html
http://datagenetics.com/blog/november22018/index.htmlMon, 26 Nov 2018 00:00:00 GMTWhat are autostereograms, and how do they work?What are autostereograms, and how do they work?
]]>Mirrors
http://datagenetics.com/blog/november12018/index.html
http://datagenetics.com/blog/november12018/index.htmlFri, 16 Nov 2018 00:00:00 GMTHow big a mirror do you need to be able to see all your body, and what happens to the size of your reflection if you back away from a mirror? Also, what is the Venus Effect?How big a mirror do you need to be able to see all your body, and what happens to the size of your reflection if you back away from a mirror? Also, what is the Venus Effect?
]]>Simple Feed Ranking Algorithm
http://datagenetics.com/blog/october32018/index.html
http://datagenetics.com/blog/october32018/index.htmlSun, 28 Oct 2018 00:00:00 GMTHow to efficiently order lists based on popularity and recency.How to efficiently order lists based on popularity and recency.
]]>Serial and Parallel bulb puzzle
http://datagenetics.com/blog/october22018/index.html
http://datagenetics.com/blog/october22018/index.htmlThu, 18 Oct 2018 00:00:00 GMTHow to connect two bulbs in series or parallel with a switch.How to connect two bulbs in series or parallel with a switch.
]]>Slot Machines
http://datagenetics.com/blog/october12018/index.html
http://datagenetics.com/blog/october12018/index.htmlMon, 15 Oct 2018 00:00:00 GMTThe psychology of why people love to play slot machines.The psychology of why people love to play slot machines.
]]>Overlapping Disks
http://datagenetics.com/blog/september22018/index.html
http://datagenetics.com/blog/september22018/index.htmlSun, 30 Sep 2018 00:00:00 GMTWhat is the relationship between the percentage overlap during an eclipse, and the separation of the objects?What is the relationship between the percentage overlap during an eclipse, and the separation of the objects?
]]>Human Fuel Consumption
http://datagenetics.com/blog/september12018/index.html
http://datagenetics.com/blog/september12018/index.htmlSun, 02 Sep 2018 00:00:00 GMTHow many miles to the gallon does a person get?How many miles to the gallon does a person get?
]]>Probability and Tennis
http://datagenetics.com/blog/august12018/index.html
http://datagenetics.com/blog/august12018/index.htmlMon, 13 Aug 2018 00:00:00 GMTBased on your skill, what is the probability of winning a tennis match?Based on your skill, what is the probability of winning a tennis match?
]]>Grazing and Calculus Revisited
http://datagenetics.com/blog/july32018/index.html
http://datagenetics.com/blog/july32018/index.htmlThu, 26 Jul 2018 00:00:00 GMTRevisiting the optimal grazing field size using a barn and straight section fencing.Revisiting the optimal grazing field size using a barn and straight section fencing.
]]>Verlet Simulations
http://datagenetics.com/blog/july22018/index.html
http://datagenetics.com/blog/july22018/index.htmlMon, 16 Jul 2018 00:00:00 GMTSimple physics simulations of cloth and rag-dolls based on Verlet Integration.Simple physics simulations of cloth and rag-dolls based on Verlet Integration.
]]>Poor Customer Service
http://datagenetics.com/blog/july12018/index.html
http://datagenetics.com/blog/july12018/index.htmlThu, 12 Jul 2018 00:00:00 GMTWhy do companies not understand how poor customer service, whilst seemingly advantageous in the short term, is damaging in the long term?Why do companies not understand how poor customer service, whilst seemingly advantageous in the short term, is damaging in the long term?
]]>Lucy`s Secret Number puzzle
http://datagenetics.com/blog/june12018/index.html
http://datagenetics.com/blog/june12018/index.htmlSun, 03 Jun 2018 00:00:00 GMTHow can you determine Lucy’s secret number when you only overhear part of her conversation?How can you determine Lucy’s secret number when you only overhear part of her conversation?
]]>Six Dice Betting Game
http://datagenetics.com/blog/may22018/index.html
http://datagenetics.com/blog/may22018/index.htmlThu, 31 May 2018 00:00:00 GMTWhat are the chances that rolling six dice will result in four distinct numbers?What are the chances that rolling six dice will result in four distinct numbers?
]]>How digital cameras work
http://datagenetics.com/blog/may12018/index.html
http://datagenetics.com/blog/may12018/index.htmlFri, 25 May 2018 00:00:00 GMTAnd the clever math that turns their color-blind sensors into full color images (plus some bonus calculus and interpolation).And the clever math that turns their color-blind sensors into full color images (plus some bonus calculus and interpolation).
]]>How analog TV worked
http://datagenetics.com/blog/april12018/index.html
http://datagenetics.com/blog/april12018/index.htmlTue, 01 May 2018 00:00:00 GMTThe clever technology around how analog TV protocols were created, and why there was an odd number of lines on an old TV screen.The clever technology around how analog TV protocols were created, and why there was an odd number of lines on an old TV screen.
]]>Turning Water into Wine
http://datagenetics.com/blog/march52018/index.html
http://datagenetics.com/blog/march52018/index.htmlTue, 13 Mar 2018 00:00:00 GMTHow to turn water into wine (with and without recursion). Calculating Levenshtein distances.How to turn water into wine (with and without recursion). Calculating Levenshtein distances.
]]>Sock Puzzle Revisited
http://datagenetics.com/blog/march42018/index.html
http://datagenetics.com/blog/march42018/index.htmlWed, 07 Mar 2018 00:00:00 GMTWhat is the probability of pulling out matching pairs of socks from a drawer in darkness?Why it is the probability of pulling out matching pairs of socks from a drawer in darkness?
]]>Compound interest and retirement
http://datagenetics.com/blog/march32018/index.html
http://datagenetics.com/blog/march32018/index.htmlMon, 05 Mar 2018 00:00:00 GMTWhy it is critically important to start saving for your retirement as soon as possible.Why it is critically important to start saving for your retirement as soon as possible.
]]>Nine digits puzzle
http://datagenetics.com/blog/march22018/index.html
http://datagenetics.com/blog/march22018/index.htmlFri, 02 Mar 2018 00:00:00 GMTArrange the digits 1-9 to make a nine digit number such that the first digit is divisible by one, the first two digits are divisible by two, the first three divisible by three ...Arrange the digits 1-9 to make a nine digit number such that the first digit is divisible by one, the first two digits divisible by two, the first three divisible by three ...
]]>Mathematics of Tape Recorders
http://datagenetics.com/blog/march12018/index.html
http://datagenetics.com/blog/march12018/index.htmlWed, 28 Feb 2018 00:00:00 GMTThe mathematics of tape machines, cassettes, and toilet rolls.The mathematics of tape machines, cassettes, and toilet rolls.
]]>Cribbage Scores
http://datagenetics.com/blog/february62018/index.html
http://datagenetics.com/blog/february62018/index.htmlSun, 25 Feb 2018 00:00:00 GMTWhat is the distribution of all possible cribbage scores? (And what is the connection between Cribbage and nuclear submarines?)What is the distribution of all possible cribbage scores? (And what is the connection between Cribbage and nuclear submarines?)
]]>Kolmogorov and randomness
http://datagenetics.com/blog/february52018/index.html
http://datagenetics.com/blog/february52018/index.htmlSun, 18 Feb 2018 00:00:00 GMTWhat does it mean to be random?What does it mean to be random?
]]>Pancake Numbers
http://datagenetics.com/blog/february42018/index.html
http://datagenetics.com/blog/february42018/index.htmlMon, 12 Feb 2018 00:00:00 GMTA classic problem involving the optimal way to flip a stack of pancakes into sorted order using just a spatula (prefix reversal). A young Bill Gates co-wrote a paper on this, and his upper bound solution was the best known solution for almost 30 years!A classic problem involving the optimal way to flip a stack of pancakes into sorted order using just a spatula (prefix reversal). A young Bill Gates co-wrote a paper on this, and his upper bound solution was the best known solution for almost 30 years!
]]>Linus Sequence
http://datagenetics.com/blog/february32018/index.html
http://datagenetics.com/blog/february32018/index.htmlTue, 06 Feb 2018 00:00:00 GMTA mathematical sequence named after a famous Peanuts cartoon character.A mathematical sequence named after a famous Peanuts cartoon character.
]]>Superbowl Helmet Puzzle
http://datagenetics.com/blog/february22018/index.html
http://datagenetics.com/blog/february22018/index.htmlSun, 04 Feb 2018 00:00:00 GMTA quick geometry puzzle for a shape that looks (a little) like a football helmet.A quick geometry puzzle for a shape that looks (a little) like a football helmet.
]]>Moravec's Paradox
http://datagenetics.com/blog/february12018/index.html
http://datagenetics.com/blog/february12018/index.htmlWed, 31 Jan 2018 00:00:00 GMTPredicting the future is a crap shoot and, ironically, what appears to be hard is easy, and what appears easy, is really hard.Predicting the future is a crap shoot and, ironically, what appears to be hard is easy, and what appears easy, is really hard.
]]>Shortest Crease Problem
http://datagenetics.com/blog/january22018/index.html
http://datagenetics.com/blog/january22018/index.htmlSun, 14 Jan 2018 00:00:00 GMTA classic problem about how to calculate the shortest crease by folding the corner of a piece of paper (and how most calculus text books get this wrong).A classic problem about how to calculate the shortest crease by folding the corner of a piece of paper (and how most calculus text books get this wrong).
]]>CES 2018
http://datagenetics.com/blog/january12018/index.html
http://datagenetics.com/blog/january12018/index.htmlFri, 12 Jan 2018 00:00:00 GMTNotes from the show this year.Notes from the show this year.
]]>Linked Lists
http://datagenetics.com/blog/december12017/index.html
http://datagenetics.com/blog/december12017/index.htmlThu, 28 Dec 2017 00:00:00 GMTThe basics of linked lists.The basics of linked lists.
]]>Incremental means and variances
http://datagenetics.com/blog/november22017/index.html
http://datagenetics.com/blog/november22017/index.htmlTue, 28 Nov 2017 00:00:00 GMTHow to keep a rolling track of the average and standard deviation of a stream of numbers, without having to reprocess the entire set, and minimize the chance of precision loss.How to keep a rolling track of the average and standard deviation of a stream of numbers, without having to reprocess the entire set, and minimize the chance of precision loss.
]]>Linear Feedback Shift Registers
http://datagenetics.com/blog/november12017/index.html
http://datagenetics.com/blog/november12017/index.htmlSun, 19 Nov 2017 00:00:00 GMTIncredibly useful, and efficient, ways to cycle through a range of values.Incredibly useful, and efficient, ways to cycle through a range of values.
]]>Multi Armed Bandit
http://datagenetics.com/blog/october12017/index.html
http://datagenetics.com/blog/october12017/index.htmlThu, 26 Oct 2017 00:00:00 GMTWhat strategy should you employ when faced with a series of parallel experiments that have unknown outcomes?What strategy should you employ when faced with a series of parallel experiments that have unknown outcomes?
]]>Poor Customer Support?
http://datagenetics.com/blog/august32017/index.html
http://datagenetics.com/blog/august32017/index.htmlMon, 28 Aug 2017 00:00:00 GMTGoDaddy took one of my websites offline for six months, and only offered compensation of one month of future hosting costs if I were to renew!GoDaddy took one of my websites offline for six months, and only offered compensation of one month of future hosting costs if I were to renew!
]]>The jet plane that shot itself down
http://datagenetics.com/blog/august22017/index.html
http://datagenetics.com/blog/august22017/index.htmlSun, 27 Aug 2017 00:00:00 GMTThe unfortunate incident of the plane that shot itself down.The unfortunate incident of the plane that shot itself down.
]]>Van der Waerden Numbers
http://datagenetics.com/blog/august12017/index.html
http://datagenetics.com/blog/august12017/index.htmlTue, 15 Aug 2017 00:00:00 GMTColouring sets so there are limited arithmetic progressions.Colouring sets so there are limited arithmetic progressions.
]]>Hexagon Geometry Puzzle
http://datagenetics.com/blog/june22017/index.html
http://datagenetics.com/blog/june22017/index.htmlTue, 27 Jun 2017 00:00:00 GMTWhat is the area of the shaded quadrilateral?What is the area of the shaded quadrilateral?
]]>Wind Turbine Efficiency
http://datagenetics.com/blog/june12017/index.html
http://datagenetics.com/blog/june12017/index.htmlMon, 19 Jun 2017 00:00:00 GMTHow much energy can we extract from wind?How much energy can we extract from wind?
]]>Voronoi Soccer
http://datagenetics.com/blog/may22017/index.html
http://datagenetics.com/blog/may22017/index.htmlWed, 31 May 2017 00:00:00 GMTWho is nearest the ball?Who is nearest the ball?
]]>Voronoi Diagrams
http://datagenetics.com/blog/may12017/index.html
http://datagenetics.com/blog/may12017/index.htmlFri, 12 May 2017 00:00:00 GMTMapping nearest locations.Mapping nearest locations.
]]>Alphabear Solver
http://datagenetics.com/blog/april42017/index.html
http://datagenetics.com/blog/april42017/index.htmlFri, 21 Apr 2017 00:00:00 GMTTool to help solve difficult Alphabear puzzles.Tool to help solve difficult Alphabear puzzles.
]]>Cake cutting part 3
http://datagenetics.com/blog/april32017/index.html
http://datagenetics.com/blog/april32017/index.htmlMon, 10 Apr 2017 00:00:00 GMTEpisode three of cutting a cake into eight pieces.Episode three of cutting a cake into eight pieces.
]]>Cake cutting part 2
http://datagenetics.com/blog/april22017/index.html
http://datagenetics.com/blog/april22017/index.htmlSat, 01 Apr 2017 00:00:00 GMTRevisiting the best way to cut a cake into eight equal sized pieces.Revisiting the best way to cut a cake into eight equal sized pieces.
]]>Cake cutting
http://datagenetics.com/blog/april12017/index.html
http://datagenetics.com/blog/april12017/index.htmlTue, 28 Mar 2017 00:00:00 GMTWhat's the best way to cut a cake into eight equal sized pieces?What's the best way to cut a cake into eight equal sized pieces?
]]>Three Bag Logic Puzzle
http://datagenetics.com/blog/march42017/index.html
http://datagenetics.com/blog/march42017/index.htmlThu, 23 Mar 2017 00:00:00 GMTHow to determine the contents of a treat bag with a single question.How to determine the contents of a treat bag with a single question.
]]>Cryptogram Puzzle
http://datagenetics.com/blog/march32017/index.html
http://datagenetics.com/blog/march32017/index.htmlMon, 20 Mar 2017 00:00:00 GMTA cryptogram puzzle using the digits 1-9.A cryptogram puzzle using the digits 1-9.
]]>Vestigial trigonometry functions
http://datagenetics.com/blog/march22017/index.html
http://datagenetics.com/blog/march22017/index.htmlWed, 08 Mar 2017 00:00:00 GMTTrig functions that were popular 30+ years ago, but are rarely mentioned these days.Trig functions that were popular 30+ years ago, but are rarely mentioned these days.
]]>NSA Easter Egg Puzzle
http://datagenetics.com/blog/march12017/index.html
http://datagenetics.com/blog/march12017/index.htmlSun, 05 Mar 2017 00:00:00 GMTA puzzle to determine the better strategy to hunt for Easter Eggs in sealed boxes.A puzzle to determine the better strategy to hunt for Easter Eggs in sealed boxes.
]]>Interactive Hangman Solver
http://datagenetics.com/blog/february32017/index.html
http://datagenetics.com/blog/february32017/index.htmlSat, 25 Feb 2017 00:00:00 GMTOnline interactive hangman solver.Online interactive hangman solver.
]]>The Price is Right
http://datagenetics.com/blog/february22017/index.html
http://datagenetics.com/blog/february22017/index.htmlSun, 19 Feb 2017 00:00:00 GMTWhat is the optimal strategy for playing the Big Wheel?What is the optimal strategy for playing the Big Wheel?
]]>Crazy Progress Bars
http://datagenetics.com/blog/february12017/index.html
http://datagenetics.com/blog/february12017/index.htmlTue, 31 Jan 2017 00:00:00 GMTWhy do time estimates on progress bars sometimes go crazy?Why do time estimates on progress bars sometimes go crazy?
]]>Radiocarbon dating
http://datagenetics.com/blog/january62017/index.html
http://datagenetics.com/blog/january62017/index.htmlTue, 24 Jan 2017 00:00:00 GMTHow does Carbon-14 dating work?How does Carbon-14 dating work?
]]>Centroids of semicircles and hemispheres
http://datagenetics.com/blog/january52017/index.html
http://datagenetics.com/blog/january52017/index.htmlMon, 16 Jan 2017 00:00:00 GMTHow to calculate the centroid of a semicircle, and how this is different from a hemisphere.How to calculate the centroid of a semicircle, and how this is different from a hemisphere.
]]>Self Driving Cars
http://datagenetics.com/blog/january42017/index.html
http://datagenetics.com/blog/january42017/index.htmlTue, 10 Jan 2017 00:00:00 GMTWill self-driving cars enable jerks? Will laws have to change?Will self-driving cars enable jerks? Will laws have to change?
]]>CES 2017
http://datagenetics.com/blog/january32017/index.html
http://datagenetics.com/blog/january32017/index.htmlMon, 09 Jan 2017 00:00:00 GMTNotes and thoughts from my visit to CES 2017.Notes and thoughts from my visit to CES 2017.
]]>Painted Cube Puzzle
http://datagenetics.com/blog/january22017/index.html
http://datagenetics.com/blog/january22017/index.htmlWed, 28 Dec 2016 00:00:00 GMTA classic puzzle involving cutting a painted cube into smaller cubes.A classic puzzle involving cutting a painted cube into smaller cubes.
]]>Chuck-a-Luck
http://datagenetics.com/blog/january12017/index.html
http://datagenetics.com/blog/january12017/index.htmlMon, 26 Dec 2016 00:00:00 GMTAnalysis of the odds on this classic casino game.Analysis of the odds on this classic casino game.
]]>Mathematically, what is the optimal pitch for a roof?
http://datagenetics.com/blog/december42016/index.html
http://datagenetics.com/blog/december42016/index.htmlFri, 23 Dec 2016 00:00:00 GMTMathematically, what is the optimal pitch for a roof?Mathematically, what is the optimal pitch for a roof?
]]>Think slow, think fast
http://datagenetics.com/blog/december32016/index.html
http://datagenetics.com/blog/december32016/index.htmlMon, 12 Dec 2016 00:00:00 GMTTwo simple math problems to which the first answer you give might not be correct.Two simple math problems to which the first answer you give might not be correct.
]]>Freudenstein’s Equation
http://datagenetics.com/blog/december22016/index.html
http://datagenetics.com/blog/december22016/index.htmlWed, 07 Dec 2016 00:00:00 GMTDeriving a formula for the wheel angles in Ackerman steering.Deriving a formula for the wheel angles in Ackerman steering.
]]>Ackerman Steering
http://datagenetics.com/blog/december12016/index.html
http://datagenetics.com/blog/december12016/index.htmlSat, 03 Dec 2016 00:00:00 GMTHow, and why, the front wheels of your car turn at different rates.How, and why, the front wheels of your car turn at different rates.
]]>Grazing in a circular field
http://datagenetics.com/blog/november42016/index.html
http://datagenetics.com/blog/november42016/index.htmlWed, 23 Nov 2016 00:00:00 GMTHow long a rope do you need to allow a goat to graze half a circular field, if it is tethered to the circumference?How long a rope do you need to allow a goat to graze half a circular field, if it is tethered to the circumference?
]]>Lost Car Key Puzzle
http://datagenetics.com/blog/november32016/index.html
http://datagenetics.com/blog/november32016/index.htmlWed, 16 Nov 2016 00:00:00 GMTBayesian analysis of lost car keys.Bayesian analysis of lost car keys.
]]>Tangent Length Puzzle
http://datagenetics.com/blog/november22016/index.html
http://datagenetics.com/blog/november22016/index.htmlMon, 14 Nov 2016 00:00:00 GMTCoffee time challenge: What is the length of this tangent?Coffee time challenge: What is the length of this tangent?
]]>Aligned Clock Hands
http://datagenetics.com/blog/november12016/index.html
http://datagenetics.com/blog/november12016/index.htmlFri, 04 Nov 2016 00:00:00 GMTHow many times a day do the Hour, Minute, and Seconds hands of an analog watch align perfectly?How many times a day do the Hour, Minute, and Seconds hands of an analog watch align perfectly?
]]>6 years and 250 Articles
http://datagenetics.com/blog/october42016/index.php
http://datagenetics.com/blog/october42016/index.phpSat, 15 Oct 2016 00:00:00 GMTI've been a blogger for six years and written 250 articles.I've been a blogger for six years and written 250 articles.
]]>Einstein's Spacetime
http://datagenetics.com/blog/october32016/index.html
http://datagenetics.com/blog/october32016/index.htmlTue, 11 Oct 2016 00:00:00 GMTWhat is the real explanation of gravity?What is the real explanation of gravity?
]]>Multiple Raffle Strategy
http://datagenetics.com/blog/october22016/index.html
http://datagenetics.com/blog/october22016/index.htmlSun, 09 Oct 2016 00:00:00 GMTShould you put all your tickets in one drawing, or spread them out evenly?Should you put all your tickets in one drawing, or spread them out evenly?
]]>Champagne Bottles
http://datagenetics.com/blog/october12016/index.html
http://datagenetics.com/blog/october12016/index.htmlTue, 04 Oct 2016 00:00:00 GMTWhat are the different sizes of Champagne bottles?What are the different sizes of Champagne bottles?
]]>Poker odds with wild cards
http://datagenetics.com/blog/september32016/index.html
http://datagenetics.com/blog/september32016/index.htmlTue, 27 Sep 2016 00:00:00 GMTHow do poker odds change with the addition of wild cards?How do poker odds change with the addition of wild cards?
]]>Poker Odds
http://datagenetics.com/blog/september22016/index.html
http://datagenetics.com/blog/september22016/index.htmlWed, 22 Sep 2016 00:00:00 GMTWhat is the relationship between the chances of a poker hand occuring and its rank?What is the relationship between the chances of a poker hand occuring and its rank?
]]>Wire Gauges
http://datagenetics.com/blog/september12016/index.html
http://datagenetics.com/blog/september12016/index.htmlWed, 07 Sep 2016 00:00:00 GMTWhy do wire gauge numbers go up as wires get thinner?Why do wire gauge numbers go up as wires get thinner?
]]>Lagrange Points
http://datagenetics.com/blog/august32016/index.html
http://datagenetics.com/blog/august32016/index.htmlSun, 21 Aug 2016 00:00:00 GMTOrbital mechanics, and Lagrange Points (things most physics text books get wrong).Orbital mechanics, and Lagrange Points (things most physics text books get wrong).
]]>Moscow Math Olympiad Puzzle
http://datagenetics.com/blog/august22016/index.html
http://datagenetics.com/blog/august22016/index.htmlSun, 07 Aug 2016 00:00:00 GMTHow can you and a friend publicly communicate about cards you are holding without a third person knowing?How can you and a friend publicly communicate about cards you are holding without a third person knowing?
]]>Balanced Field Length
http://datagenetics.com/blog/august12016/index.html
http://datagenetics.com/blog/august12016/index.htmlThu, 04 Aug 2016 00:00:00 GMTWhat is your best strategy if your plane experiences an engine failure during take-off?What is your best strategy if your plane experiences an engine failure during take-off?
]]>Efficient Guttering
http://datagenetics.com/blog/july12016/index.html
http://datagenetics.com/blog/july12016/index.htmlFri, 29 Jul 2016 00:00:00 GMTWhat is the optimal way to bend a flat sheet to make an efficient gutter?What is the optimal way to bend a flat sheet to make an efficient gutter?
]]>How things float
http://datagenetics.com/blog/june22016/index.html
http://datagenetics.com/blog/june22016/index.htmlMon, 20 Jun 2016 00:00:00 GMTWhat orientation will a square log float in water?What orientation will a square log float in water?
]]>Matter and Neutron Stars
http://datagenetics.com/blog/june12016/index.html
http://datagenetics.com/blog/june12016/index.htmlSat, 04 Jun 2016 00:00:00 GMTWhat happens when you compress the space that is inside atoms?What happens when you compress the space that is inside atoms?
]]>Blending independent estimates
http://datagenetics.com/blog/may42016/index.html
http://datagenetics.com/blog/may42016/index.htmlWed, 25 May 2016 00:00:00 GMTHow should you combine two independent estimates of age (with different Variances)?How should you combine two independent estimates of age (with different Variances)?
]]>Piano Keyboards
http://datagenetics.com/blog/may32016/index.html
http://datagenetics.com/blog/may32016/index.htmlSun, 22 May 2016 00:00:00 GMTWhy are the black and white keys of a piano spaced the way they are?Why are the black and white keys of a piano spaced the way they are?
]]>Bisecting an arbitrary triangular cake
http://datagenetics.com/blog/may22016/index.html
http://datagenetics.com/blog/may22016/index.htmlWed, 11 May 2016 00:00:00 GMTAn extension of the cake cutting puzzle from last week.An extension of the cake cutting puzzle from last week.
]]>Bisecting a triangular cake
http://datagenetics.com/blog/may12016/index.html
http://datagenetics.com/blog/may12016/index.htmlMon, 09 May 2016 00:00:00 GMTWhat is shortest cut on a triangular cake to make two equal sized pieces?What is shortest cut on a triangular cake to make two equal sized pieces?
]]>Baseball Card Collecting
http://datagenetics.com/blog/april32016/index.html
http://datagenetics.com/blog/april32016/index.htmlFri, 29 Apr 2016 00:00:00 GMTOn average, how many baseball cards do you need to buy to ensure you get a complete set?On average, how many baseball cards do you need to buy to ensure you get a complete set?
]]>Eiffel Tower
http://datagenetics.com/blog/april22016/index.html
http://datagenetics.com/blog/april22016/index.htmlTue, 12 Apr 2016 00:00:00 GMTIs it true that the air around The Eiffel Tower weighs more than the tower?Is it true that the air around The Eiffel Tower weighs more than the tower?
]]>Solar Eclipses
http://datagenetics.com/blog/april12016/index.html
http://datagenetics.com/blog/april12016/index.htmlSun, 03 Apr 2016 00:00:00 GMTWhat's the difference between a total and an annular solar eclipse?What's the difference between a total and an annular solar eclipse?
]]>How tall is that tree?
http://datagenetics.com/blog/march42016/index.html
http://datagenetics.com/blog/march42016/index.htmlTue, 22 Mar 2016 00:00:00 GMTHow can you determine the height of a tree without chopping it down?How can you determine the height of a tree without chopping it down?
]]>Two Bingo Ball Puzzle
http://datagenetics.com/blog/march32016/index.html
http://datagenetics.com/blog/march32016/index.htmlFri, 18 Mar 2016 00:00:00 GMTIf you draw two balls 1-75 and keep the highest one, what is the expected value?If you draw two balls 1-75 and keep the highest one, what is the expected value?
]]>National Pi Day
http://datagenetics.com/blog/march22016/index.html
http://datagenetics.com/blog/march22016/index.htmlTue, 15 Mar 2016 00:00:00 GMTFinding digits in Pi that correspond to their position.Finding digits in Pi that correspond to their position.
]]>Grazing and Calculus
http://datagenetics.com/blog/march12016/index.html
http://datagenetics.com/blog/march12016/index.htmlMon, 29 Feb 2016 00:00:00 GMTWhat is the optimal shape for a rectangular grazing paddock?What is the optimal shape for a rectangular grazing paddock?
]]>Two nugget problem
http://datagenetics.com/blog/february42016/index.html
http://datagenetics.com/blog/february42016/index.htmlSun, 21 Feb 2016 00:00:00 GMTHow do you determine the two heaviest nuggets (out of sixteen) in the least amount of weighings?How do you determine the two heaviest nuggets (out of sixteen) in the least amount of weighings?
]]>d20 stopping puzzle
http://datagenetics.com/blog/february32016/index.html
http://datagenetics.com/blog/february32016/index.htmlThu, 11 Feb 2016 00:00:00 GMTRoll a d20, and collect the value value shown, or pay to roll again?Roll a d20, and collect the value value shown, or pay to roll again?
]]>Russian Roulette
http://datagenetics.com/blog/february22016/index.html
http://datagenetics.com/blog/february22016/index.htmlSat, 06 Feb 2016 00:00:00 GMTHow do the odds of this game change with more chambered rounds?How do the odds of this game change with more chambered rounds?
]]>Six Roll Dice Game
http://datagenetics.com/blog/february12016/index.html
http://datagenetics.com/blog/february12016/index.htmlThu, 04 Feb 2016 00:00:00 GMTWhat is the optimal strategy for playing a simple dice rolling game?What is the optimal strategy for playing a simple dice rolling game?
]]>Hamming Codes
http://datagenetics.com/blog/january42016/index.html
http://datagenetics.com/blog/january42016/index.htmlSat, 30 Jan 2016 00:00:00 GMTDetecting (and correcting) errors in digital signals.Detecting (and correcting) errors in digital signals.
]]>Defective Circuit Board Puzzle
http://datagenetics.com/blog/january32016/index.html
http://datagenetics.com/blog/january32016/index.htmlThu, 14 Jan 2016 00:00:00 GMTI have ten circuit boards, and I know exactly two are bad.I have ten circuit boards, and I know exactly two are bad.
]]>CES 2016
http://datagenetics.com/blog/january22016/index.html
http://datagenetics.com/blog/january22016/index.htmlMon, 11 Jan 2016 00:00:00 GMTConsumer Electronics Show 2016.Consumer Electronics Show 2016.
]]>Koch Snowflake
http://datagenetics.com/blog/january12016/index.html
http://datagenetics.com/blog/january12016/index.htmlTue, 05 Jan 2016 00:00:00 GMTGenerating snowflakes using recursion.Generating snowflakes using recursion.
]]>Tricky Geometry
http://datagenetics.com/blog/december32015/index.html
http://datagenetics.com/blog/december32015/index.htmlWed, 23 Dec 2015 00:00:00 GMTThe World's hardest, easy, geometry puzzle?The World's hardest, easy, geometry puzzle?
]]>Weird Number Bases
http://datagenetics.com/blog/december22015/index.html
http://datagenetics.com/blog/december22015/index.htmlWed, 16 Dec 2015 00:00:00 GMTWill future digital computers move away from binary?Will future digital computers move away from binary?
]]>Estimating known unknowns
http://datagenetics.com/blog/december12015/index.html
http://datagenetics.com/blog/december12015/index.htmlFri, 11 Dec 2015 00:00:00 GMTCan you estimate the number of unfound errors in a document by comparing two independant analyses?Can you estimate the number of unfound errors in a document by comparing two independant analyses?
]]>Mazes
http://datagenetics.com/blog/november22015/index.html
http://datagenetics.com/blog/november22015/index.htmlSun, 29 Nov 2015 00:00:00 GMTGenerating mazes with back track recursion.Generating mazes with back track recursion.
]]>Golf Balls
http://datagenetics.com/blog/november12015/index.html
http://datagenetics.com/blog/november12015/index.htmlWed, 11 Nov 2015 00:00:00 GMTHow much does the addition of dimples adjust the Volume and Surface Area of golf balls?How much does the addition of dimples adjust the Volume and Surface Area of golf balls?
]]>Cutting a semi-circle
http://datagenetics.com/blog/october42015/index.html
http://datagenetics.com/blog/october42015/index.htmlFri, 30 Oct 2015 00:00:00 GMTGeometry puzzle about dividing a semi-circle into three.Geometry puzzle about dividing a semi-circle into three.
]]>Go easy on Volkswagen
http://datagenetics.com/blog/october32015/index.html
http://datagenetics.com/blog/october32015/index.htmlMon, 26 Oct 2015 00:00:00 GMTYes VW screwed up, but cut them a little slack.Yes VW screwed up, but cut them a little slack.
]]>Generating Fibonacci Numbers
http://datagenetics.com/blog/october22015/index.html
http://datagenetics.com/blog/october22015/index.htmlFri, 16 Oct 2015 00:00:00 GMTWhat is the best programatic way to generate Fibonacci numbers?What is the best programatic way to generate Fibonacci numbers?
]]>Lychrel Numbers
http://datagenetics.com/blog/october12015/index.html
http://datagenetics.com/blog/october12015/index.htmlMon, 05 Oct 2015 00:00:00 GMTWhat is the longest known delayed palindrome?What is the longest known delayed palindrome?
]]>Gravity Variations
http://datagenetics.com/blog/september62015/index.html
http://datagenetics.com/blog/september62015/index.htmlSun, 27 Sep 2015 00:00:00 GMTHow much does your weight vary as you move around our planet, and why?How much does your weight vary as you move around our planet, and why?
]]>Business Execution
http://datagenetics.com/blog/september52015/index.html
http://datagenetics.com/blog/september52015/index.htmlTue, 22 Sep 2015 00:00:00 GMTIdeas are cheap. It's all about the execution.Ideas are cheap. It's all about the execution.
]]>Twenty Peg Puzzle
http://datagenetics.com/blog/september42015/index.html
http://datagenetics.com/blog/september42015/index.htmlSat, 19 Sep 2015 00:00:00 GMTHow do you determine if four points make a square?How do you determine if four points make a square?
]]>Becoming an adult
http://datagenetics.com/blog/september32015/index.html
http://datagenetics.com/blog/september32015/index.htmlTue, 15 Sep 2015 00:00:00 GMTAt what age, legally, do you become an adult?At what age, legally, do you become an adult?
]]>Langton's Ant (and Life)
http://datagenetics.com/blog/september22015/index.html
http://datagenetics.com/blog/september22015/index.htmlWed, 09 Sep 2015 00:00:00 GMTSimple cellular automatons.Simple cellular automatons.
]]>Anti Counterfeit Measures
http://datagenetics.com/blog/september12015/index.html
http://datagenetics.com/blog/september12015/index.htmlWed, 02 Sep 2015 00:00:00 GMTInteresting patterns printed on most banknotes to deter counterfeiting.Interesting patterns printed on most banknotes to deter counterfeiting.
]]>Telephone Keypad Design
http://datagenetics.com/blog/august32015/index.html
http://datagenetics.com/blog/august32015/index.htmlSat, 29 Aug 2015 00:00:00 GMTWhy are the push buttons on a telephone arranged the way they are?Why are the push buttons on a telephone arranged the way they are?
]]>Chicken nugget numbers
http://datagenetics.com/blog/august22015/index.html
http://datagenetics.com/blog/august22015/index.htmlMon, 24 Aug 2015 00:00:00 GMTChicken nugget numbers, and how to make optimal change.Chicken nugget numbers, and how to make optimal change.
]]>Carnival of Mathematics #125
http://datagenetics.com/blog/august12015/index.html
http://datagenetics.com/blog/august12015/index.htmlFri, 31 Jul 2015 00:00:00 GMTCarnival of Mathematics blog-roll, episode #125Carnival of Mathematics blog-roll, episode #125
]]>Congruent Rectangles Puzzle (trig solution)
http://datagenetics.com/blog/july62015/index.html
http://datagenetics.com/blog/july62015/index.htmlFri, 24 Jul 2015 00:00:00 GMTA trigonometric solution to last weeks geometry puzzle.A trigonometric solution to last weeks geometry puzzle.
]]>Congruent Rectangles in a Square Puzzle
http://datagenetics.com/blog/july52015/index.html
http://datagenetics.com/blog/july52015/index.htmlSun, 19 Jul 2015 00:00:00 GMTA geometry puzzle that, at first glance, appears to have not enough information to solve.A geometry puzzle that, at first glance, appears to have not enough information to solve.
]]>Fan Direction
http://datagenetics.com/blog/july32015/index.html
http://datagenetics.com/blog/july32015/index.htmlWed, 08 Jul 2015 00:00:00 GMTIf you are trying to cool a room with a fan, is it better to suck or blow?If you are trying to cool a room with a fan, is it better to suck or blow?
]]>Space Needle Climb
http://datagenetics.com/blog/july22015/index.html
http://datagenetics.com/blog/july22015/index.htmlTue, 30 Jun 2015 00:00:00 GMTI'm climbing the Seattle Space Needle to raise money for cancer research.I'm climbing the Seattle Space Needle to raise money for cancer research.
]]>Roulette Wheel
http://datagenetics.com/blog/july12015/index.html
http://datagenetics.com/blog/july12015/index.htmlSat, 27 Jun 2015 00:00:00 GMTWhy are the numbers on a roulette wheel distributed the way they are?Why are the numbers on a roulette wheel distributed the way they are?
]]>Carnival of Mathematics
http://datagenetics.com/blog/june42015/index.html
http://datagenetics.com/blog/june42015/index.htmlTue, 23 Jun 2015 00:00:00 GMTI will be hosting the August 2015 edition of the Carnival. Do you have any interesting facts about the number 125?I will be hosting the August 2015 edition of the Carnival. Do you have any interesting facts about the number 125?
]]>Standard Deviation Puzzle
http://datagenetics.com/blog/june32015/index.html
http://datagenetics.com/blog/june32015/index.htmlFri, 19 Jun 2015 00:00:00 GMTWhat number can you add to the set {1,2,3} so that the standard deviation remains the same?What number can you add to the set {1,2,3} so that the standard deviation remains the same?
]]>The Pardoner's Puzzle
http://datagenetics.com/blog/june22015/index.html
http://datagenetics.com/blog/june22015/index.htmlSat, 13 Jun 2015 00:00:00 GMTCan you connect sixty-four towns with eight straight lines, and what is the connection with Harry Potter?Can you connect sixty-four towns with eight straight lines, and what is the connection with Harry Potter?
]]>Five Circles Puzzle
http://datagenetics.com/blog/june12015/index.html
http://datagenetics.com/blog/june12015/index.htmlSat, 06 Jun 2015 00:00:00 GMTIs it possible to draw five circles over a grid of 5x5 points so that at least one circle passes through every point?Is it possible to draw five circles over a grid of 5x5 points so that at least one circle passes through every point?
]]>Buffon's Needle
http://datagenetics.com/blog/may42015/index.html
http://datagenetics.com/blog/may42015/index.htmlMon, 25 May 2015 00:00:00 GMTCalculating Pi by dropping needles on the floor.Calculating Pi by dropping needles on the floor.
]]>Poincaré conjecture
http://datagenetics.com/blog/may32015/index.html
http://datagenetics.com/blog/may32015/index.htmlWed, 13 May 2015 00:00:00 GMTPoincaré conjecture, Topology, million dollar prize and pretty pictures.Poincaré conjecture, Topology, million dollar prize and pretty pictures.
]]>Clover Leaf Geometry Puzzle
http://datagenetics.com/blog/may22015/index.html
http://datagenetics.com/blog/may22015/index.htmlTue, 05 May 2015 00:00:00 GMTWhat is the area of the shape described by the overlap of four inscribed semi-circles in a square?What is the area of the shape described by the overlap of four inscribed semi-circles in a square?
]]>Running Track Geometry
http://datagenetics.com/blog/may12015/index.html
http://datagenetics.com/blog/may12015/index.htmlFri, 01 May 2015 00:00:00 GMTWhy are running tracks oval in shape, and why do runners start from staggered positions?Why are running tracks oval in shape, and why do runners start from staggered positions?
]]>Geometry Puzzle (update)
http://datagenetics.com/blog/april72015/index.html
http://datagenetics.com/blog/april72015/index.htmlSun, 26 Apr 2015 00:00:00 GMTUpdate on last weeks geometry puzzle using trigonometry.Update on last weeks geometry puzzle using trigonometry.
]]>Geometry Puzzle
http://datagenetics.com/blog/april62015/index.html
http://datagenetics.com/blog/april62015/index.htmlThu, 23 Apr 2015 00:00:00 GMTWhat are the dimensions of an inscribed rectangle with the same area as an inscribed equilateral triangle?What are the dimensions of an inscribed rectangle with the same area as an inscribed equilateral triangle?
]]>Deepwater Horizon Tragedy
http://datagenetics.com/blog/april52015/index.html
http://datagenetics.com/blog/april52015/index.htmlMon, 20 Apr 2015 00:00:00 GMTHow deep was the Deepwater Horizon boring when the disaster happened?How deep was the Deepwater Horizon boring when the disaster happened?
]]>How much money do bloggers make?
http://datagenetics.com/blog/april42015/index.html
http://datagenetics.com/blog/april42015/index.htmlSun, 19 Apr 2015 00:00:00 GMTCan you earn a living just from blogging?Can you earn a living just from blogging?
]]>Refuelling in cold weather
http://datagenetics.com/blog/april32015/index.html
http://datagenetics.com/blog/april32015/index.htmlTue, 14 Apr 2015 00:00:00 GMTCan you save money by refuelling your car in the morning when the temperature is colder?Can you save money by refuelling your car in the morning when the temperature is colder?
]]>Lissajou Curves
http://datagenetics.com/blog/april22015/index.html
http://datagenetics.com/blog/april22015/index.htmlSat, 04 Apr 2015 00:00:00 GMTGenerating pretty pictures using sine waves.Generating pretty pictures using sine waves.
]]>Rich Boy Learns Anagrams
http://datagenetics.com/blog/april12015/index.html
http://datagenetics.com/blog/april12015/index.htmlSat, 28 Mar 2015 00:00:00 GMTGenerating and solving anagrams.Generating and solving anagrams.
]]>Pi, PINs, and Permutations
http://datagenetics.com/blog/march32015/index.html
http://datagenetics.com/blog/march32015/index.htmlThu, 19 Mar 2015 00:00:00 GMTHow many digits of Pi do you need to ensure all possible 10,000 four digit PINs are included?How many digits of Pi do you need to ensure all possible 10,000 four digit PINs are included?
]]>Simpson's Paradox
http://datagenetics.com/blog/march22015/index.html
http://datagenetics.com/blog/march22015/index.htmlTue, 17 Mar 2015 00:00:00 GMTWhy some statistical results seem to invert when then are combined.Why some statistical results seem to invert when then are combined.
]]>Gerrymandering
http://datagenetics.com/blog/march12015/index.html
http://datagenetics.com/blog/march12015/index.htmlFri, 13 Mar 2015 00:00:00 GMTHow the manipulation of boundaries can adjust voting outcomes.How the manipulation of boundaries can adjust voting outcomes.
]]>Buckets
http://datagenetics.com/blog/january32015/index.html
http://datagenetics.com/blog/january32015/index.htmlTue, 20 Jan 2015 00:00:00 GMTWhat is the optimal shape for a bucket?What is the optimal shape for a bucket?
]]>CES 2015
http://datagenetics.com/blog/january22015/index.html
http://datagenetics.com/blog/january22015/index.htmlWed, 07 Jan 2015 00:00:00 GMTNotes from my visit to the 2015 Consumer Electronics Show.Notes from my visit to the 2015 Consumer Electronics Show.
]]>Deal or No Deal?
http://datagenetics.com/blog/january12015/index.html
http://datagenetics.com/blog/january12015/index.htmlWed, 31 Dec 2014 00:00:00 GMTIs there an optimal strategy for playing this game?Is there an optimal strategy for playing this game?
]]>100 prisoner escape
http://datagenetics.com/blog/december42014/index.html
http://datagenetics.com/blog/december42014/index.htmlMon, 22 Dec 2014 00:00:00 GMTA classic prison escape puzzle featuring 100 prisoners, 100 boxes and 100 tickets.A classic prison escape puzzle featuring 100 prisoners, 100 boxes and 100 tickets.
]]>Dealer Button Bias
http://datagenetics.com/blog/december32014/index.html
http://datagenetics.com/blog/december32014/index.htmlWed, 17 Dec 2014 00:00:00 GMTHow much bias is there in selecting the position of the dealer by the first person to turn over an ace?How much bias is there in selecting the position of the dealer by the first person to turn over an ace?
]]>How much does a cloud weigh?
http://datagenetics.com/blog/december22014/index.html
http://datagenetics.com/blog/december22014/index.htmlFri, 12 Dec 2014 00:00:00 GMTHow much does a cloud weigh, or do they float weightless?How much does a cloud weigh, or do they float weightless?
]]>Impossible escape?
http://datagenetics.com/blog/december12014/index.html
http://datagenetics.com/blog/december12014/index.htmlThu, 04 Dec 2014 00:00:00 GMTCan you use math to escape from, what seems like, an impossible prison escape problem based on coins and a chessboard?Can you use math to escape from, what seems like, an impossible prison escape problem based on coins and a chessboard?
]]>Shuffling Algorithms
http://datagenetics.com/blog/november42014/index.html
http://datagenetics.com/blog/november42014/index.htmlThu, 27 Nov 2014 00:00:00 GMTHave you been writing shuffling algorithms incorrectly your entire life?Have you been writing shuffling algorithms incorrectly your entire life?
]]>Gray Codes
http://datagenetics.com/blog/november32014/index.html
http://datagenetics.com/blog/november32014/index.htmlFri, 21 Nov 2014 00:00:00 GMTWhat are Gray codes, and why are they so useful?What are Gray codes, and why are they so useful?
]]>Giant iPad
http://datagenetics.com/blog/november22014/index.html
http://datagenetics.com/blog/november22014/index.htmlThu, 06 Nov 2014 00:00:00 GMTIf all the iPads in the World were combined into one giant device, what would it look like?If all the iPads in the World were combined into one giant device, what would it look like?
]]>Triangular Trusses
http://datagenetics.com/blog/november12014/index.html
http://datagenetics.com/blog/november12014/index.htmlTue, 04 Nov 2014 00:00:00 GMTWhat is the minimum number of crosses braces you need to make a rectangular grid stable?What is the minimum number of crosses braces you need to make a rectangular grid stable?
]]>Red/Black Gambling Game
http://datagenetics.com/blog/october42014/index.html
http://datagenetics.com/blog/october42014/index.htmlSun, 19 Oct 2014 00:00:00 GMTIf you draw cards from a shuffled deck, earning $1 for every black card turned over, and losing $1 for every red card, when should you stop?If you draw cards from a shuffled deck, earning $1 for every black card turned over, and losing $1 for every red card, when should you stop?
]]>Langford's Sequences
http://datagenetics.com/blog/october32014/index.html
http://datagenetics.com/blog/october32014/index.htmlSun, 12 Oct 2014 00:00:00 GMTArranging pairs of numbers so that the gap between them is distinct.Arranging pairs of numbers so that the gap between them is distinct.
]]>Exciting soccer games and ballots
http://datagenetics.com/blog/october22014/index.html
http://datagenetics.com/blog/october22014/index.htmlThu, 09 Oct 2014 00:00:00 GMTIf you ultimately win a soccer game, what is the probability you were always winning?If you ultimately win a soccer game, what is the probability you were always winning?
]]>Angle of Repose
http://datagenetics.com/blog/october12014/index.html
http://datagenetics.com/blog/october12014/index.htmlWed, 01 Oct 2014 00:00:00 GMTWhy are volcanoes and sand dunes shaped the way they are?Why are volcanoes and sand dunes shaped the way they are?
]]>Jello and Lasers
http://datagenetics.com/blog/september52014/index.html
http://datagenetics.com/blog/september52014/index.htmlSat, 27 Sep 2014 00:00:00 GMTIf you shine a laser through a grid of Jello cubes, how many does it pass through?If you shine a laser through a grid of Jello cubes, how many does it pass through?
]]>Optimal Rope Swing
http://datagenetics.com/blog/september42014/index.html
http://datagenetics.com/blog/september42014/index.htmlMon, 22 Sep 2014 00:00:00 GMTWhere should you let go of a rope swing to get the furthest distance into a lake?Where should you let go of a rope swing to get the furthest distance into a lake?
]]>Flag of the World
http://datagenetics.com/blog/september32014/index.html
http://datagenetics.com/blog/september32014/index.htmlMon, 15 Sep 2014 00:00:00 GMTIf we merged together all the flags in the World, what would it look like?If we merged together all the flags in the World, what would it look like?
]]>Message in a bottle
http://datagenetics.com/games/miab/index.php
http://datagenetics.com/games/miab/index.phpSun, 07 Sep 2014 00:00:00 GMTSend and receive one-time anonymous fortune cookies to random people in the World.Send and receive one-time anonymous fortune cookies to random people in the World.
]]>Lowest Discrete Auction Game
http://datagenetics.com/games/ldag/index.php
http://datagenetics.com/games/ldag/index.phpTue, 02 Sep 2014 00:00:00 GMTCan you guess the lowest distinct number out of a group of people?Can you guess the lowest distinct number out of a group of people?
]]>Countdown Letters Game Solver
http://datagenetics.com/blog/august52014/index.html
http://datagenetics.com/blog/august52014/index.htmlWed, 20 Aug 2014 00:00:00 GMTA tool for solving the letters round games on Countdown.A tool for solving the letters round games on Countdown.
]]>Countdown Numbers Game Solver
http://datagenetics.com/blog/august42014/index.html
http://datagenetics.com/blog/august42014/index.htmlMon, 18 Aug 2014 00:00:00 GMTA tool for solving the numbers round games on Countdown.A tool for solving the numbers round games on Countdown.
]]>Countdown Numbers Game
http://datagenetics.com/blog/august32014/index.html
http://datagenetics.com/blog/august32014/index.htmlSun, 17 Aug 2014 00:00:00 GMTAn analysis of one of the longest running game shows on TV.An analysis of one of the longest running game shows on TV.
]]>Missile Guidance Systems
http://datagenetics.com/blog/august22014/index.html
http://datagenetics.com/blog/august22014/index.htmlTue, 05 Aug 2014 00:00:00 GMTHow do modern missile guidance systems work?How do modern missile guidance systems work?
]]>Why are cans shaped the way they are?
http://datagenetics.com/blog/august12014/index.html
http://datagenetics.com/blog/august12014/index.htmlMon, 28 Jul 2014 00:00:00 GMTWhat is special about cylinders, and why do they have specific aspect ratios?What is special about cylinders, and why do they have specific aspect ratios?
]]>Why are ice cream cones shaped the way they are?
http://datagenetics.com/blog/july42014/index.html
http://datagenetics.com/blog/july42014/index.htmlTue, 15 Jul 2014 00:00:00 GMTUsing calculus to optimize your ice cream consumption.Using calculus to optimize your ice cream consumption.
]]>Fitting spheres inside cylinders
http://datagenetics.com/blog/july32014/index.html
http://datagenetics.com/blog/july32014/index.htmlMon, 14 Jul 2014 00:00:00 GMTWhat is symbol is inscribed on Archimedes' tomb, and why?What is symbol is inscribed on Archimedes' tomb, and why?
]]>Carving Cylinders from Spheres
http://datagenetics.com/blog/july22014/index.html
http://datagenetics.com/blog/july22014/index.htmlWed, 09 Jul 2014 00:00:00 GMTWhat is the largest volume cylinder it is possible to carve from a solid sphere? Also, so you know about the napkin ring problem?What is the largest volume cylinder it is possible to carve from a solid sphere? Also, so you know about the napkin ring problem?
]]>Bad Hashing Function
http://datagenetics.com/blog/july12014/index.html
http://datagenetics.com/blog/july12014/index.htmlSat, 05 Jul 2014 00:00:00 GMTRandom trivia about converting words to numbers using the substitution cypher A=1, B=2 ...Random trivia about converting words to numbers using the substitution cypher A=1, B=2 ...
]]>Optimal Packing
http://datagenetics.com/blog/june32014/index.html
http://datagenetics.com/blog/june32014/index.htmlMon, 16 Jun 2014 00:00:00 GMTHow to efficiently tessellate various numbers of circles into a square.How to efficiently tessellate various numbers of circles into a square.
]]>Coffee Time Challenges
http://datagenetics.com/blog/june22014/index.html
http://datagenetics.com/blog/june22014/index.htmlFri, 13 Jun 2014 00:00:00 GMTBite sized problems just hard enough to be tackled over a good cup of coffee.Bite sized problems just hard enough to be tackled over a good cup of coffee.
]]>Sampling and Confidence levels
http://datagenetics.com/blog/june12014/index.html
http://datagenetics.com/blog/june12014/index.htmlWed, 11 Jun 2014 00:00:00 GMTWhat confidence levels in statistics mean.What confidence levels in statistics mean.
]]>DataGenetics Greatest Hits
http://datagenetics.com/blog/may62014/index.html
http://datagenetics.com/blog/may62014/index.htmlFri, 23 May 2014 00:00:00 GMTI've been writing my blog for three and a half years. Here are the top ten most read articles (per year).I've been writing my blog for three and a half years. Here are the top ten most read articles (per year).
]]>Why do I blog?
http://datagenetics.com/blog/may52014/index.html
http://datagenetics.com/blog/may52014/index.htmlThu, 22 May 2014 00:00:00 GMTI've been writing my blog for three and a half years. Why do I do it? How do I do it?I've been writing my blog for three and a half years. Why do I do it? How do I do it?
]]>Amidakuji
http://datagenetics.com/blog/may42014/index.html
http://datagenetics.com/blog/may42014/index.htmlFri, 16 May 2014 00:00:00 GMTKnown as 'Amidakuji' or 'Ghost Leg' - The clever way that Asian nations randomly shuffle outcomes using just pen a paper.Known as 'Amidakuji' or 'Ghost Leg' - The clever way that Asian nations randomly shuffle outcomes using just pen a paper.
]]>Friday the 13th
http://datagenetics.com/blog/may32014/index.html
http://datagenetics.com/blog/may32014/index.htmlWed, 07 May 2014 00:00:00 GMTThe 13th of any month is more likely to fall on a Friday than any other day of the week!The 13th of any month is more likely to fall on a Friday than any other day of the week!
]]>How Radar Works
http://datagenetics.com/blog/may22014/index.html
http://datagenetics.com/blog/may22014/index.htmlMon, 05 May 2014 00:00:00 GMTA simple look at detecting targets in noisy clutterA simple look at detecting targets in noisy clutter
]]>Holographic Replicators
http://datagenetics.com/blog/may12014/index.html
http://datagenetics.com/blog/may12014/index.htmlWed, 30 Apr 2014 00:00:00 GMTWhat is the chance of escaping from a pack of angry, laser toting, monsters using a holographic replicator?What is the chance of escaping from a pack of angry, laser toting, monsters using a holographic replicator?
]]>Geometric Mean
http://datagenetics.com/blog/april42014/index.html
http://datagenetics.com/blog/april42014/index.htmlWed, 23 Apr 2014 00:00:00 GMTCalculating geometric means in SQL server without using aggregate functions, and why widescreen TV aspect ratio is 16:9Calculating geometric means in SQL server without using aggregate functions, and why widescreen TV aspect ratio is 16:9
]]>Minimum Jeopardy
http://datagenetics.com/blog/april32014/index.html
http://datagenetics.com/blog/april32014/index.htmlSun, 20 Apr 2014 00:00:00 GMTWhat is the lowest, theoretical, score it is possible to score in a game of Jeopardy?What is the lowest, theoretical, score it is possible to score in a game of Jeopardy?
]]>Compound Interest
http://datagenetics.com/blog/april22014/index.html
http://datagenetics.com/blog/april22014/index.htmlTue, 15 Apr 2014 00:00:00 GMTHow long does it take to double your money, and just what is 'The rule of 72'?How long does it take to double your money, and just what is 'The rule of 72'?
]]>Fuel Consumption
http://datagenetics.com/blog/april12014/index.html
http://datagenetics.com/blog/april12014/index.htmlSat, 05 Apr 2014 00:00:00 GMTWhy we should really be quoting fuel consumption figures as 'gallons per mile' and not 'miles per gallon'.Why we should really be quoting fuel consumption figures as 'gallons per mile' and not 'miles per gallon'.
]]>Roller Coasters
http://datagenetics.com/blog/march42014/index.html
http://datagenetics.com/blog/march42014/index.htmlFri, 21 Mar 2014 00:00:00 GMTWhy are the loops on roller coasters never circular?Why are the loops on roller coasters never circular?
]]>The Beauty in Mathematics
http://datagenetics.com/blog/march32014/index.html
http://datagenetics.com/blog/march32014/index.htmlWed, 12 Mar 2014 00:00:00 GMTWhat is the connection between Moby Dick, accurate clocks, ski-jumps, roller coasters and cog wheels?What is the connection between Moby Dick, accurate clocks, ski-jumps, roller coasters and cog wheels?
]]>Marathon runners and WWII tanks
http://datagenetics.com/blog/march22014/index.html
http://datagenetics.com/blog/march22014/index.htmlThu, 06 Mar 2014 00:00:00 GMTEstimating the number of runners in a marathon and spying on WWII German tank production.Estimating the number of runners in a marathon and spying on WWII German tank production.
]]>Bounding Rectangles
http://datagenetics.com/blog/march12014/index.html
http://datagenetics.com/blog/march12014/index.htmlMon, 03 Mar 2014 00:00:00 GMTThe mathematics of repairing bullet holes in a wall using the smallest rectangle of drywall.The mathematics of repairing bullet holes in a wall using the smallest rectangle of drywall.
]]>Drinking Iced Water
http://datagenetics.com/blog/february32014/index.html
http://datagenetics.com/blog/february32014/index.htmlThu, 27 Feb 2014 00:00:00 GMTIs it possible to lose weight by drinking iced water?Is it possible to lose weight by drinking iced water?
]]>The fallacy of The Gambler's Fallacy
http://datagenetics.com/blog/february22014/index.html
http://datagenetics.com/blog/february22014/index.htmlSun, 23 Feb 2014 00:00:00 GMTI used to be superstitious, then I heard it was unlucky, so I stopped!I used to be superstitious, then I heard it was unlucky, so I stopped!
]]>Sir Isaac Newton and Mr Samuel Pepys
http://datagenetics.com/blog/february12014/index.html
http://datagenetics.com/blog/february12014/index.htmlThu, 20 Feb 2014 00:00:00 GMTA 300 year old probability puzzle!A 300 year old probability puzzle!
]]>Our Atmosphere
http://datagenetics.com/blog/january42014/index.html
http://datagenetics.com/blog/january42014/index.htmlMon, 27 Jan 2014 00:00:00 GMTHow the density of our atmosphere changes with altitude.How the density of our atmosphere changes with altitude.
]]>CES 2014
http://datagenetics.com/blog/january32014/index.html
http://datagenetics.com/blog/january32014/index.htmlThu, 09 Jan 2014 00:00:00 GMTNotes from my visit to the Consumer Electronics Show 2014, in Las Vegas.Notes from my visit to the Consumer Electronics Show 2014, in Las Vegas.
]]>Escaping from a monster in dark room
http://datagenetics.com/blog/january22014/index.html
http://datagenetics.com/blog/january22014/index.htmlTue, 07 Jan 2014 00:00:00 GMTHow do you escape from a monster in a dark room who has handcuffed you and given the key to a rat who runs off?How do you escape from a monster in a dark room who has handcuffed you and given the key to a rat who runs off?
]]>Hiding from monsters using Corinthian columns
http://datagenetics.com/blog/january12014/index.html
http://datagenetics.com/blog/january12014/index.htmlFri, 27 Dec 2013 00:00:00 GMTHow to hide from a laser wielding monster (riding on a train) using a Corinthian column.How to hide from a laser wielding monster (riding on a train) using a Corinthian column.
]]>Mind Reading Magic Symbol Trick
http://datagenetics.com/blog/december52013/index.html
http://datagenetics.com/blog/december52013/index.htmlTue, 24 Dec 2013 00:00:00 GMTCan your computer read your mind and predict the magic symbol you were thinking about?Can your computer read your mind and predict the magic symbol you were thinking about?
]]>Mind Reading Card Trick
http://datagenetics.com/blog/december42013/index.html
http://datagenetics.com/blog/december42013/index.htmlMon, 23 Dec 2013 00:00:00 GMTCan your computer read your mind and make a card you were thinking about disappear?Can your computer read your mind and make a card you were thinking about disappear?
]]>Pixel Scalars
http://datagenetics.com/blog/december32013/index.html
http://datagenetics.com/blog/december32013/index.htmlMon, 16 Dec 2013 00:00:00 GMTWhat algorithms do video game emulators utilize to scale up the low-res images, used on old computing devices, to modern hi-res standards?What algorithms do video game emulators utilize to scale up the low-res images, used on old computing devices, to modern hi-res standards?
]]>Why do pipes burst the way they do?
http://datagenetics.com/blog/december22013/index.html
http://datagenetics.com/blog/december22013/index.htmlMon, 09 Dec 2013 00:00:00 GMTHave you noticed that when pipes burst, they almost always burst the same way?Have you noticed that when pipes burst, they almost always burst the same way?
]]>Risk and Uncertainty
http://datagenetics.com/blog/december12013/index.html
http://datagenetics.com/blog/december12013/index.htmlMon, 02 Dec 2013 00:00:00 GMTThe difference between risk and uncertainty.The difference between risk and uncertainty.
]]>Dumbwatches
http://datagenetics.com/blog/november42013/index.html
http://datagenetics.com/blog/november4013/index.htmlThu, 21 Nov 2013 00:00:00 GMTI don't want a smartwatch, I want a dumbwatch!I don't want a smartwatch, I want a dumbwatch!
]]>Visual Cryptography
http://datagenetics.com/blog/november32013/index.html
http://datagenetics.com/blog/november3013/index.htmlSun, 17 Nov 2013 00:00:00 GMTHow to create perfect secret messages that can be decoded using just your eyes.How to create perfect secret messages that can be decoded using just your eyes.
]]>Monster Soup
http://datagenetics.com/blog/november22013/index.html
http://datagenetics.com/blog/november2013/index.htmlWed, 13 Nov 2013 00:00:00 GMTHow to avoid being turned into monster soup.How to avoid being turned into monster soup.
]]>QR Codes
http://datagenetics.com/blog/november12013/index.html
http://datagenetics.com/blog/november1013/index.htmlThu, 07 Nov 2013 00:00:00 GMTHow do QR codes work? How much is it possible to distort one and still have it readable?How do QR codes work? How much is it possible to distort one and still have it readable?
]]>De Bruijn Sequences
http://datagenetics.com/blog/october22013/index.html
http://datagenetics.com/blog/october22013/index.htmlFri, 01 Nov 2013 00:00:00 GMTWhat does DNA sequencing and guessing passwords have in common?What does DNA sequencing and guessing passwords have in common?
]]>How to escape a monster (using calculus)
http://datagenetics.com/blog/october12013/index.html
http://datagenetics.com/blog/october12013/index.htmlSun, 20 Oct 2013 00:00:00 GMTYou are sitting in a rowing boat in the middle of a circular lake. How do you escape from a smart monster on the shore who can run four times faster than you can row?You are sitting in a rowing boat in the middle of a circular lake. How do you escape from a smart monster on the shore who can run four times faster than you can row?
]]>Privacy is dead! Long live Trust!
http://datagenetics.com/blog/september32013/index.html
http://datagenetics.com/blog/september32013/index.htmlSat, 28 Sep 2013 00:00:00 GMTAn honest discussion about what online privacy means in the 21st century.An honest discussion about what online privacy means in the 21st century.
]]>Average Speeds
http://datagenetics.com/blog/september22013/index.html
http://datagenetics.com/blog/september22013/index.htmlWed, 04 Sep 2013 00:00:00 GMTIs it quicker to walk backwards and forwards on a travelator or to simply walk there and back by the side?Is it quicker to walk backwards and forwards on a travelator or to simply walk there and back by the side?
]]>Saving Windows
http://datagenetics.com/blog/september12013/index.html
http://datagenetics.com/blog/september12013/index.htmlMon, 02 Sep 2013 00:00:00 GMTHow can Microsoft turn around Windows Surface?How can Microsoft turn around Windows Surface?
]]>YubiKey
http://datagenetics.com/blog/august42013/index.html
http://datagenetics.com/blog/august42013/index.htmlThu, 22 Aug 2013 00:00:00 GMTDual factor authentication.Dual factor authentication.
]]>How to rotate an image
http://datagenetics.com/blog/august32013/index.html
http://datagenetics.com/blog/august32013/index.htmlFri, 16 Aug 2013 00:00:00 GMTHow to rotate an image, and a need trick to rotate a bitmap an arbitrary amount in a simple paint package.How to rotate an image, and a need trick to rotate a bitmap an arbitrary amount in a simple paint package.
]]>Customer Service
http://datagenetics.com/blog/august22013/index.html
http://datagenetics.com/blog/august22013/index.htmlMon, 12 Aug 2013 00:00:00 GMTWhy good customer service so important these days.Why good customer service so important these days.
]]>Linear Regression
http://datagenetics.com/blog/august12013/index.html
http://datagenetics.com/blog/august12013/index.htmlThu, 08 Aug 2013 00:00:00 GMTHow are best-fit regression lines calculated?How are best-fit regression lines calculated?
]]>Credit Card Numbers
http://datagenetics.com/blog/july42013/index.html
http://datagenetics.com/blog/july42013/index.htmlMon, 22 Jul 2013 00:00:00 GMTHow do credit card numbers work? Parity and RAID.How do credit card numbers work? Parity and RAID.
]]>World's Fastest Man
http://datagenetics.com/blog/july32013/index.html
http://datagenetics.com/blog/july32013/index.htmlSat, 20 Jul 2013 00:00:00 GMTHow does Usain Bolt do what he does?How does Usain Bolt do what he does?
]]>Exact Percentages and Prime Factors
http://datagenetics.com/blog/july22013/index.html
http://datagenetics.com/blog/july22013/index.htmlThu, 11 Jul 2013 00:00:00 GMTExact Percentages, Simplifying Fractions, Prime Factors and Greatest Common Divisors.Exact Percentages, Simplifying Fractions, Prime Factors and Greatest Common Divisors.
]]>How much do you spend on coffee
http://datagenetics.com/blog/july12013/index.html
http://datagenetics.com/blog/july12013/index.htmlTue, 02 Jul 2013 00:00:00 GMTOver a lifetime, with compound interest, it's probably more than you think!Over a lifetime, with compound interest, it's probably more than you think!
]]>TEDx Seattle - Completed!
http://datagenetics.com/blog/june82013/index.html
http://datagenetics.com/blog/june82013/index.htmlTue, 25 Jun 2013 00:00:00 GMTPhotos and my thoughts from the big day.Photos and my thoughts from the big day.
]]>Bertand's Box
http://datagenetics.com/blog/june72013/index.html
http://datagenetics.com/blog/june72013/index.htmlTue, 18 Jun 2013 00:00:00 GMTPulling random silver and gold coins out of treasure chests (and mischievous pixies).Pulling random silver and gold coins out of treasure chests (and mischievous pixies).
]]>TEDx Seattle
http://datagenetics.com/blog/june62013/index.html
http://datagenetics.com/blog/june62013/index.htmlMon, 17 Jun 2013 00:00:00 GMTI will be speaking at TEDx Seattle on June 23rd 2013.I will be speaking at TEDx Seattle on June 23rd 2013.
]]>Selecting a random secretary
http://datagenetics.com/blog/june52013/index.html
http://datagenetics.com/blog/june52013/index.htmlTue, 11 Jun 2013 00:00:00 GMTSelecting a random person (fairly) from an unknown number of applicants.Selecting a random person (fairly) from an unknown number of applicants.
]]>Imposters in Twitter
http://datagenetics.com/blog/june42013/index.html
http://datagenetics.com/blog/june42013/index.htmlSun, 09 Jun 2013 00:00:00 GMTThe sincerest form of flattery? Impersonated accounts on Twitter.The sincerest form of flattery? Impersonated accounts on Twitter.
]]>Triple A
http://datagenetics.com/blog/june32013/index.html
http://datagenetics.com/blog/june32013/index.htmlThu, 06 Jun 2013 00:00:00 GMTWords containing three A's and no other vowels.Words containing three A's and no other vowels.
]]>Burst Sausages
http://datagenetics.com/blog/june22013/index.html
http://datagenetics.com/blog/june22013/index.htmlWed, 05 Jun 2013 00:00:00 GMTWhy do sausages split down their length when cooked?Why do sausages split down their length when cooked?
]]>Sicherman Dice
http://datagenetics.com/blog/june12013/index.html
http://datagenetics.com/blog/june12013/index.htmlSat, 01 Jun 2013 00:00:00 GMTAlternative ways to create dice that sum like a pair of regular dice (and how to cheat at craps!)Alternative ways to create dice that sum like a pair of regular dice (and how to cheat at craps!)
]]>Hungover
http://datagenetics.com/blog/may32013/index.html
http://datagenetics.com/blog/may32013/index.htmlSun, 26 May 2013 00:00:00 GMTHow hungover can you get? Kids blocks and Calculus!How hungover can you get? Kids blocks and Calculus!
]]>Use all the vowels
http://datagenetics.com/blog/may22013/index.html
http://datagenetics.com/blog/may22013/index.htmlThu, 23 May 2013 00:00:00 GMTWords that can be made using the vowels AEIOU just once.Words that can be made using the vowels AEIOU just once.
]]>Broken Keyboard
http://datagenetics.com/blog/may12013/index.html
http://datagenetics.com/blog/may12013/index.htmlSun, 28 Apr 2013 00:00:00 GMTTurn an asteroid into a steroid with a broken keyboard.Turn an asteroid into a steroid with a broken keyboard.
]]>Solving Snake
http://datagenetics.com/blog/april42013/index.html
http://datagenetics.com/blog/april42013/index.htmlMon, 22 Apr 2013 00:00:00 GMTSolving the classic video gameSolving the classic video game
]]>Old MacDonald had a Perihelion
http://datagenetics.com/blog/april32013/index.html
http://datagenetics.com/blog/april32013/index.htmlSat, 20 Apr 2013 00:00:00 GMTE-i-E-i-OE-i-E-i-O
]]>Roman Numerals
http://datagenetics.com/blog/april22013/index.html
http://datagenetics.com/blog/april22013/index.htmlTue, 16 Apr 2013 00:00:00 GMTA quick look at the lengths of Roman Numerals.A quick look at the lengths of Roman Numerals.
]]>A case for recursion
http://datagenetics.com/blog/april12013/index.html
http://datagenetics.com/blog/april12013/index.htmlMon, 08 Apr 2013 00:00:00 GMTSolving a classic interview question using recursion.Solving a classic interview question using recursion.
]]>Rock, Paper, Scissors
http://datagenetics.com/blog/march52013/index.html
http://datagenetics.com/blog/march52013/index.htmlFri, 22 Mar 2013 00:00:00 GMTNovel twist analysis on the classic game.Novel twist analysis on the classic game.
]]>l33t speak words
http://datagenetics.com/blog/march42013/index.html
http://datagenetics.com/blog/march42013/index.htmlSat, 16 Mar 2013 00:00:00 GMTHex words spelled using l33t speak.Hex words spelled using l33t speak.
]]>Hex words
http://datagenetics.com/blog/march32013/index.html
http://datagenetics.com/blog/march32013/index.htmlFri, 15 Mar 2013 00:00:00 GMTThe value of xDEAD people?The value of xDEAD people?
]]>Hilbert Curves
http://datagenetics.com/blog/march22013/index.html
http://datagenetics.com/blog/march22013/index.htmlSun, 10 Mar 2013 00:00:00 GMTFractal Space Filling Fun.Fractal Space Filling Fun.
]]>Growing Words
http://datagenetics.com/blog/march12013/index.html
http://datagenetics.com/blog/march12013/index.htmlSun, 03 Mar 2013 00:00:00 GMTMaking new words one letter at a time.Making new words one letter at a time.
]]>Inefficient Rulers
http://datagenetics.com/blog/february22013/index.html
http://datagenetics.com/blog/february22013/index.htmlSun, 24 Feb 2013 00:00:00 GMTGolomb Rulers and Costas Arrays.Golomb Rulers and Costas Arrays.
]]>No 'L' quiz
http://datagenetics.com/blog/february12013/index.html
http://datagenetics.com/blog/february12013/index.htmlTue, 12 Feb 2013 00:00:00 GMTCan you solve these puzzles by making new words through the removal of the letter 'L'Can you solve these puzzles by making new words through the removal of the letter 'L'
]]>CES 2013
http://datagenetics.com/blog/january42013/index.html
http://datagenetics.com/blog/january42013/index.htmlFri, 11 Jan 2013 00:00:00 GMTNotes from my visit to the Consumer Electronics show in Las Vegas.Notes from my visit to the Consumer Electronics show in Las Vegas.
]]>The return of the atomic typo
http://datagenetics.com/blog/january32013/index.html
http://datagenetics.com/blog/january32013/index.htmlThu, 03 Jan 2013 00:00:00 GMTMaking new words by switching adjacent letters.Making new words by switching adjacent letters.
]]>Wheel of Fortune puzzle solver
http://datagenetics.com/blog/january22013/index.html
http://datagenetics.com/blog/january22013/index.htmlSun, 30 Dec 2012 00:00:00 GMTWin big by solving puzzles using this useful tool.Win big by solving puzzles using this useful tool.
]]>Random or Magic - Can you fool a computer at generating random numbers?
http://datagenetics.com/blog/january12013/index.html
http://datagenetics.com/blog/january12013/index.htmlSun, 23 Dec 2012 00:00:00 GMTFlipping coins and making up numbers.Flipping coins and making up numbers.
]]>Trivial Wheel of Fortune bonus round
http://datagenetics.com/blog/december52012/index.html
http://datagenetics.com/blog/december52012/index.htmlThu, 20 Dec 2012 00:00:00 GMTHow lucky could you get? A list of English words you can make using only the letters: RSTLNEHow lucky could you get? A list of English words you can make using only the letters: RSTLNE
]]>Are you worth more in dimes, quarters of nickels?
http://datagenetics.com/blog/december42012/index.html
http://datagenetics.com/blog/december42012/index.htmlMon, 17 Dec 2012 00:00:00 GMTHow much are you worth as your weight in coins?How much are you worth as your weight in coins?
]]>How to mathematically select the best wife
http://datagenetics.com/blog/december32012/index.html
http://datagenetics.com/blog/december32012/index.htmlTue, 11 Dec 2012 00:00:00 GMTOr best husband, pizza, or secretary ...Or best husband, pizza, or secretary ...
]]>Default Digital Photo Filenames
http://datagenetics.com/blog/december22012/index.html
http://datagenetics.com/blog/december22012/index.htmlThu, 29 Nov 2012 00:00:00 GMTDo you rename your digital photos?Do you rename your digital photos?
]]>Elemental Words
http://datagenetics.com/blog/december12012/index.html
http://datagenetics.com/blog/december12012/index.htmlTue, 27 Nov 2012 00:00:00 GMTDictionary words that can be made entirely from elemental symbols.Dictionary words that can be made entirely from elemental symbols.
]]>Fat fingers and atomic typos
http://datagenetics.com/blog/november42012/index.html
http://datagenetics.com/blog/november42012/index.htmlFri, 23 Nov 2012 00:00:00 GMTHow miskeys on a QWERTY keyboard can make other legitimate words.How miskeys on a QWERTY keyboard can make other legitimate words.
]]>Discrete Cosine Transformations
http://datagenetics.com/blog/november32012/index.html
http://datagenetics.com/blog/november32012/index.htmlSun, 18 Nov 2012 00:00:00 GMTHow JPGs work, and how to create fun hybrid hidden images.How JPGs work, and how to create fun hybrid hidden images.
]]>How to share secrets securely
http://datagenetics.com/blog/november22012/index.html
http://datagenetics.com/blog/november22012/index.htmlSat, 03 Nov 2012 00:00:00 GMTHow do you distribute a password amongst n-people so that not everyone needs to be present to recreate it?How do you distribute a password amongst n-people so that not everyone needs to be present to recreate it?
]]>Ring, Ring! Where should you stand to answer three phones?
http://datagenetics.com/blog/november12012/index.html
http://datagenetics.com/blog/november12012/index.htmlSat, 27 Oct 2012 00:00:00 GMTWhere is the optimal location to stand to answer three phones to minimize the distance you need to travel?Where is the optimal location to stand to answer three phones to minimize the distance you need to travel?
]]>Analysis of emoticons used on Twitter
http://datagenetics.com/blog/october52012/index.html
http://datagenetics.com/blog/october52012/index.htmlSun, 14 Oct 2012 00:00:00 GMTWhat are the most popular emoticons used on Twitter?What are the most popular emoticons used on Twitter?
]]>Prefixing an S
http://datagenetics.com/blog/october42012/index.html
http://datagenetics.com/blog/october42012/index.htmlMon, 08 Oct 2012 00:00:00 GMTMaking new words by adding an 'S' to the front of existing ones.Making new words by adding an 'S' to the front of existing ones.
]]>Septic Feline
http://datagenetics.com/blog/october32012/index.html
http://datagenetics.com/blog/october32012/index.htmlSat, 06 Oct 2012 00:00:00 GMTTwenty word puzzles you can solve by adding the letter 'S'Twenty word puzzles you can solve by adding the letter 'S'
]]>Logic Puzzle - Gunman and colored dots
http://datagenetics.com/blog/october22012/index.html
http://datagenetics.com/blog/october22012/index.htmlThu, 04 Oct 2012 00:00:00 GMTCan you use logic to save your life and determine the color of a dot painted on your forehead?Can you use logic to save your life and determine the color of a dot painted on your forehead?
]]>Rats live on no evil star - Palindromes and mirror words
http://datagenetics.com/blog/october12012/index.html
http://datagenetics.com/blog/october12012/index.htmlThu, 27 Sep 2012 00:00:00 GMTEnglish words that make different words in reverse.English words that make different words in reverse.
]]>PIN number analysis
http://datagenetics.com/blog/september32012/index.html
http://datagenetics.com/blog/september32012/index.htmlMon, 17 Sep 2012 00:00:00 GMTIs your PIN number too predictable? Detailed analysis on PIN number databases.Is your PIN number too predictable? Detailed analysis on PIN number databases.
]]>Round Pegs and Square Holes
http://datagenetics.com/blog/september22012/index.html
http://datagenetics.com/blog/september22012/index.htmlSat, 08 Sep 2012 00:00:00 GMTWhich is a better fit? A round peg in a square hole, or a square peg in a round hole?Which is a better fit? A round peg in a square hole, or a square peg in a round hole?
]]>Maximum Jeopardy!
http://datagenetics.com/blog/september12012/index.html
http://datagenetics.com/blog/september12012/index.htmlSat, 01 Sep 2012 00:00:00 GMTWhat is the highest possible score achievable in a single game of Jeopardy?What is the highest possible score achievable in a single game of Jeopardy?
]]>The eight Queens problem
http://datagenetics.com/blog/august42012/index.html
http://datagenetics.com/blog/august42012/index.htmlFri, 24 Aug 2012 00:00:00 GMTHow to place eight queens on a chess board so that no queen is attacking any other.How to place eight queens on a chess board so that no queen is attacking any other.
]]>"Uncopyrightable" - Distinct letter words
http://datagenetics.com/blog/august32012/index.html
http://datagenetics.com/blog/august32012/index.htmlMon, 20 Aug 2012 00:00:00 GMTWords that don't contain more than one instance of the same letter.Words that don't contain more than one instance of the same letter.
]]>Parrondo's Paradox
http://datagenetics.com/blog/august22012/index.html
http://datagenetics.com/blog/august22012/index.htmlThu, 16 Aug 2012 00:00:00 GMT"How two ugly parents (mathematically) can make a beautiful baby""How two ugly parents (mathematically) can make a beautiful baby"
]]>"I had no idea". Ketchup, rockets, memes and pleated cups
http://datagenetics.com/blog/august12012/index.html
http://datagenetics.com/blog/august12012/index.htmlThu, 09 Aug 2012 00:00:00 GMTHow to maximize the amount of condiment in your cup.How to maximize the amount of condiment in your cup.
]]>Wake up Redmond!
http://datagenetics.com/blog/july32012/index.html
http://datagenetics.com/blog/july32012/index.htmlSun, 22 Jul 2012 00:00:00 GMTAn open letter to Steve Balmer.An open letter to Steve Balmer.
]]>Two Eggs problem
http://datagenetics.com/blog/july22012/index.html
http://datagenetics.com/blog/july22012/index.htmlSat, 21 Jul 2012 00:00:00 GMTAnalysis of the classic "dropping two eggs from a building" interview questionAnalysis of the classic "dropping two eggs from a building" interview question
]]>Intransitive Dice
http://datagenetics.com/blog/july12012/index.html
http://datagenetics.com/blog/july12012/index.htmlFri, 29 Jun 2012 00:00:00 GMTIntransitive Dice - How to use math to win free drinks from your friends!Intransitive Dice - How to use math to win free drinks from your friends!
]]>Minesweeper First Click: Quality vs. Quantity
http://datagenetics.com/blog/june42012/index.html
http://datagenetics.com/blog/june42012/index.htmlMon, 25 Jun 2012 00:00:00 GMTGuest Post - Further analysis on Minesweeper Clicking.Guest Post - Further analysis on Minesweeper Clicking.
]]>Consequences of living on a sphere
http://datagenetics.com/blog/june32012/index.html
http://datagenetics.com/blog/june32012/index.htmlFri, 22 Jun 2012 00:00:00 GMTThe Golden Gate Bridge is wider at the top than the bottom because of the curviture of the Earth.The Golden Gate Bridge is wider at the top than the bottom because of the curviture of the Earth.
]]>How long are your shoelaces?
http://datagenetics.com/blog/june22012/index.html
http://datagenetics.com/blog/june22012/index.htmlSun, 17 Jun 2012 00:00:00 GMTA brief look into the various methods that shoes can be laced and their relative lengths.A brief look into the various methods that shoes can be laced and their relative lengths.
]]>Advanced Minesweeper
http://datagenetics.com/blog/june12012/index.html
http://datagenetics.com/blog/june12012/index.htmlFri, 01 Jun 2012 00:00:00 GMTWhere is the best location to click when playing Minesweeper to maximize the chances of a cascade?Where is the best location to click when playing Minesweeper to maximize the chances of a cascade?
]]>Counterintuitive Conundrums
http://datagenetics.com/blog/may12012/index.html
http://datagenetics.com/blog/may12012/index.htmlMon, 07 May 2012 00:00:00 GMTA tribute to Martin GardnerA tribute to Martin Gardner
]]>Space - It's mindbogglingly big!
http://datagenetics.com/blog/april22012/index.html
http://datagenetics.com/blog/april22012/index.htmlMon, 16 Apr 2012 00:00:00 GMTTrying to get a handle on just how big the universe is ...Trying to get a handle on just how big the universe is ...
]]>Hangman - You've probably been playing it all wrong!
http://datagenetics.com/blog/april12012/index.html
http://datagenetics.com/blog/april12012/index.htmlWed, 28 Mar 2012 00:00:00 GMTLearn the optimal strategy for playing Hangman.Learn the optimal strategy for playing Hangman.
]]>Benford's Law - Never try to defraud an engineer!
http://datagenetics.com/blog/march52012/index.html
http://datagenetics.com/blog/march52012/index.htmlSun, 25 Mar 2012 00:00:00 GMTThe totally counterintuitive way that the leading digit of natural variables changes.The totally counterintuitive way that the leading digit of natural variables changes.
]]>CQCQ - Mixed up Morse Code
http://datagenetics.com/blog/march42012/index.html
http://datagenetics.com/blog/march42012/index.htmlSun, 18 Mar 2012 00:00:00 GMTAnalysis of what can happen if you send sloppy Morse Code.Analysis of what can happen if you send sloppy Morse Code.
]]>Padlock Puzzle
http://datagenetics.com/blog/march32012/index.html
http://datagenetics.com/blog/march32012/index.htmlThu, 15 Mar 2012 00:00:00 GMTCoding is fun. Using logic and coding to solve a word padlock puzzle.Coding is fun. Using logic and coding to solve a word padlock puzzle.
]]>Analysis of Domain Names
http://datagenetics.com/blog/march22012/index.html
http://datagenetics.com/blog/march22012/index.htmlMon, 12 Mar 2012 00:00:00 GMTEverything you wanted to know about domain names, and probably things you did not!Everything you wanted to know about domain names, and probably things you did not!
]]>Steganography - How to secretly hide messages
http://datagenetics.com/blog/march12012/index.html
http://datagenetics.com/blog/march12012/index.htmlFri, 02 Mar 2012 00:00:00 GMTMethod for secretly hiding covert images inside other images.Method for secretly hiding covert images inside other images.
]]>Analysis of State of the Union Address speeches
http://datagenetics.com/blog/january52012/index.html
http://datagenetics.com/blog/january52012/index.htmlThu, 26 Jan 2012 00:00:00 GMTDeep dive into the words used in the last 82 Presidential State of the Union Addresses.Deep dive into the words used in the last 82 Presidential State of the Union Addresses.
]]>What is the probability of getting a Yahtzee?
http://datagenetics.com/blog/january42012/index.html
http://datagenetics.com/blog/january42012/index.htmlMon, 23 Jan 2012 00:00:00 GMTMathematical analysis of getting a Yahtzee.Mathematical analysis of getting a Yahtzee.
]]>O! Say can you see ...
http://datagenetics.com/blog/january32012/index.html
http://datagenetics.com/blog/january32012/index.htmlMon, 09 Jan 2012 00:00:00 GMTData-mining the White House Visitor log files.Data-mining the White House Visitor log files.
]]>Another successful year for facebook
http://datagenetics.com/blog/january22012/index.html
http://datagenetics.com/blog/january22012/index.htmlMon, 02 Jan 2012 00:00:00 GMTFacebook finished 2011 with 761 million registered accounts.Facebook finished 2011 with 761 million registered accounts.
]]>A geek plays darts
http://datagenetics.com/blog/january12012/index.html
http://datagenetics.com/blog/january12012/index.htmlSun, 01 Jan 2012 00:00:00 GMTMathematical analysis of the classic game.Mathematical analysis of the classic game.
]]>Battleship
http://datagenetics.com/blog/december32011/index.html
http://datagenetics.com/blog/december32011/index.htmlThu, 29 Dec 2011 00:00:00 GMTMathematical analysis of algorithms to play BattleshipMathematical analysis of algorithms to play Battleship
]]>Ukranian Missile Base
http://datagenetics.com/blog/december22011/index.html
http://datagenetics.com/blog/december22011/index.htmlMon, 26 Dec 2011 00:00:00 GMTPhoto tour of a missile base in the Ukraine.Photo tour of a missile base in the Ukraine.
]]>Mathematical Analysis of Candyland
http://datagenetics.com/blog/december12011/index.html
http://datagenetics.com/blog/december12011/index.htmlThu, 15 Dec 2011 00:00:00 GMTCrippled Markov-chain and Monte-Carlo simmulations of Candyland.Crippled Markov-chain and Monte-Carlo simmulations of Candyland.
]]>Mathematical Analysis of RISK
http://datagenetics.com/blog/november22011/index.html
http://datagenetics.com/blog/november22011/index.htmlMon, 28 Nov 2011 00:00:00 GMTMathematical analysis of the classic board game.Mathematical analysis of the classic board game.
]]>Mathematical Analysis of Chutes and Ladders
http://datagenetics.com/blog/november12011/index.html
http://datagenetics.com/blog/november12011/index.htmlMon, 14 Nov 2011 00:00:00 GMTMarkov-Chains, Monte-Carlo and Chute and LaddersMarkov-Chains, Monte-Carlo and Chute and Ladders
]]>Deal-a-Day Deluge
http://datagenetics.com/blog/october22011/index.html
http://datagenetics.com/blog/october22011/index.htmlMon, 14 Nov 2011 00:00:00 GMTA day in the life of a daily deal.A day in the life of a daily deal.
]]>Facebook World-wide accounts 2011
http://datagenetics.com/blog/october12011/index.html
http://datagenetics.com/blog/october12011/index.htmlMon, 14 Nov 2011 00:00:00 GMTBreakdown of Facebook accounts, by country, for 2011Breakdown of Facebook accounts, by country, for 2011.
]]>Living Social and Whole Foods
http://datagenetics.com/blog/september12011/index.html
http://datagenetics.com/blog/september12011/index.htmlWed, 28 Sep 2011 00:00:00 GMTTracking the Whole Foods offer on Living Social.Tracking the Whole Foods offer on Living Social.
]]>Facebook around the World
http://datagenetics.com/blog/august22011/index.html
http://datagenetics.com/blog/august22011/index.htmlSun, 28 Aug 2011 00:00:00 GMTFacebook populations normalised by country population.Facebook populations normalised by country population.
]]>Facebook around the World
http://datagenetics.com/blog/august12011/index.html
http://datagenetics.com/blog/august12011/index.htmlSun, 28 Aug 2011 00:00:00 GMTFacebook populations by gender.Facebook populations by gender.
]]>Microsoft, you suck!
http://datagenetics.com/blog/june12011/index.html
http://datagenetics.com/blog/june12011/index.htmlTue, 14 Jun 2011 00:00:00 GMTNo Wi-Fi access for Microsoft guests.No Wi-Fi access for Microsoft guests.
]]>Price of soda (per gallon)
http://datagenetics.com/blog/may32011/index.html
http://datagenetics.com/blog/may32011/index.htmlTue, 24 May 2011 00:00:00 GMTComparisson of various liquids, and their price per gallon.Comparisson of various liquids, and their price per gallon.
]]>Why is social gaming so popular?
http://datagenetics.com/blog/may12011/index.html
http://datagenetics.com/blog/may12011/index.htmlSat, 14 May 2011 00:00:00 GMTDiscoverability, accessibility and camaraderie.Discoverability, accessibility and camaraderie.
]]>What is a body worth?
http://datagenetics.com/blog/april12011/index.html
http://datagenetics.com/blog/april12011/index.htmlFri, 01 Apr 2011 00:00:00 GMTHow much are you worth as elemental components?How much are you worth as elemental components?
]]>Natonal Pi day
http://datagenetics.com/blog/march12011/index.html
http://datagenetics.com/blog/march12011/index.htmlMon, 21 Mar 2011 00:00:00 GMTCan you find a bitmap of Pi in Pi? (I can!)Can you find a bitmap of Pi in Pi? (I can!)
]]>Facebook shutdown in Egypt
http://datagenetics.com/blog/february12011/index.html
http://datagenetics.com/blog/february12011/index.htmlMon, 21 Mar 2011 00:00:00 GMTFacebook temporarily shutdown in Egypt in 2011Facebook temporarily shutdown in Egypt in 2011
]]>Analysing sales data using just names
http://datagenetics.com/blog/january32011/index.html
http://datagenetics.com/blog/january32011/index.htmlFri, 28 Jan 2011 00:00:00 GMTPart three of detailed analysis of names and how to use them to analyse sales data (links to preceeding two articles are in the document).Part three of detailed analysis of names and how to use them to analyse sales data (links to preceeding two articles are in the document).
]]>Data Mining using just names
http://datagenetics.com/blog/january22011/index.html
http://datagenetics.com/blog/january22011/index.htmlFri, 28 Jan 2011 00:00:00 GMTPart two of detailed analysis of names.Part two of detailed analysis of names..
]]>What's in a name?
http://datagenetics.com/blog/january12011/index.html
http://datagenetics.com/blog/january12011/index.htmlFri, 28 Jan 2011 00:00:00 GMTPart one of detailed analysis of names.Part one of detailed analysis of names.
]]>Sparks and Recursion
http://datagenetics.com/blog/december42010/index.html
http://datagenetics.com/blog/december42010/index.htmlFri, 31 Dec 2010 00:00:00 GMTCode to generate sparks.Code to generate sparks.
]]>Facebook year end 2011
http://datagenetics.com/blog/december32010/index.html
http://datagenetics.com/blog/december32010/index.htmlFri, 31 Dec 2010 00:00:00 GMTFacebook user count for 2011.Facebook user count for 2011.
]]>Spot the connection
http://datagenetics.com/blog/december22010/index.html
http://datagenetics.com/blog/december22010/index.htmlTue, 21 Dec 2010 00:00:00 GMTWhat do all these famous scientists and engineers have in common?What do all these famous scientists and engineers have in common?
]]>Facebook Casual Game Demographics
http://datagenetics.com/blog/december12010/index.html
http://datagenetics.com/blog/december12010/index.htmlTue, 21 Dec 2010 00:00:00 GMTGender and age breakdown of some social games.Gender and age breakdown of some social games.
]]>Laptop XOR iPad
http://datagenetics.com/blog/november72010/index.html
http://datagenetics.com/blog/november72010/index.htmlSun, 14 Nov 2010 00:00:00 GMTHow many devices should you travel with?How many devices should you travel with?
]]>Facebook Worldwide (Part 2), 2010
http://datagenetics.com/blog/november62010/index.html
http://datagenetics.com/blog/november62010/index.htmlSun, 14 Nov 2010 00:00:00 GMTFacebook Worldwide (Part 2), 2010.Facebook Worldwide (Part 2), 2010.
]]>Facebook Worldwide (Part 1), 2010
http://datagenetics.com/blog/november52010/index.html
http://datagenetics.com/blog/november52010/index.htmlSun, 14 Nov 2010 00:00:00 GMTFacebook Worldwide (Part 1), 2010.Facebook Worldwide (Part 1), 2010.
]]>Smarter Filling
http://datagenetics.com/blog/november42010/index.html
http://datagenetics.com/blog/november42010/index.htmlSun, 14 Nov 2010 00:00:00 GMTSimple tiling code.Simple tiling code.
]]>All the single ladies...
http://datagenetics.com/blog/november32010/index.html
http://datagenetics.com/blog/november32010/index.htmlSun, 14 Nov 2010 00:00:00 GMTAnalysis of facebook relationship status.Analysis of facebook relationship status.
]]>Digital Shakespeare
http://datagenetics.com/blog/november22010/index.html
http://datagenetics.com/blog/november22010/index.htmlMon, 01 Nov 2010 00:00:00 GMTDigital Shakespeare (and data cleanliness).Digital Shakespeare (and data cleanliness).
]]>Mixed up Mr. Darcy
http://datagenetics.com/blog/november2010/index.html
http://datagenetics.com/blog/november2010/index.htmlMon, 01 Nov 2010 00:00:00 GMTHow to generate random classics.How to generate random classics.
]]>Chernobyl and Pripyat
http://datagenetics.com/blog/october12010/index.html
http://datagenetics.com/blog/october12010/index.htmlSun, 31 Oct 2010 00:00:00 GMTPhoto tour of Chernobyl and the ghost town of Pripyat.Photo tour of Chernobyl and the ghost town of Pripyat.
]]>My computer plays better Bejeweled than I do
http://datagenetics.com/blog/march2009/index.html
http://datagenetics.com/blog/march2009/index.htmlTue, 14 Jul 2009 00:00:00 GMTGetting a computer to play a game.Getting a computer to play a game.
]]>A 'practical' use for Genetic Programming
http://datagenetics.com/blog/april2009/index.html
http://datagenetics.com/blog/april2009/index.htmlTue, 14 Apr 2009 00:00:00 GMTPainting my portrair using genetic programming.Painting my portrair using genetic programming.
]]>Play better poker in just five minutes
http://datagenetics.com/blog/january12009/index.html
http://greatpokerhands.com/Fri, 02 Jan 2009 00:00:00 GMTStrategy cards to teach you the relative odds of the starting cards.Strategy cards to teach you the relative odds of the starting cards.
]]>