The DataGenetics blog
Every article Nick Berry wrote, newest first.
2022 5 articles
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Perimeter Puzzle
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Service Interuption
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Plant a tree
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Mathematician's Card Trick
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NFT Gaming is snake oil
2021 52 articles
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Impossible Dart Scores
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[0-9] digit puzzle
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Hamiltonian Path Puzzle
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52 card pickup
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Chessboard distances
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Bayes, keys, and prisoners
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Inebriated Unlocking
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Venn Diagrams
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Missile Command
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Windsocks
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Stopping Traffic
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The sledgehammer and the nut
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Horse Jumping
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Recycle Logo
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Fifty Shades of Gray (Socks)
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Flying Cars
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Containing a one
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Rolling, Banking, and Radioactive Decay
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Tunnel Escape
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How to select fair teams
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Twelve Days of Christmas
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Two Dice, Same Score
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Texas Holdem Poker
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One Billion
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Coffee Time Challenge
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Missing Something?
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Fly on a Hexagonal Prism
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Two Parcels
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Ten Switches
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How deep is the well?
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Strictly increasing numbers
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Ian and Dog
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Jessica's Secret Bracelets
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Painted Cube Puzzle
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Creditcard Number Generator
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Coin on a infinite Chessboard
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Romeo and Juliet
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Buy Me a Coffee?
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Six Switch Puzzle
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Soda Can Stability
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Three Napkins Puzzle
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Impossible Baseball
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Bomb Defusal
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Scrabble Racks
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The importance of independence
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Dice, Rubik's Cubes, and Error Diffusion
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The Orchard Game
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Word Ladders and Equivalence Classes
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Cluedo
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Change One Letter
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Rolling Two Dice
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CES 2021
2020 55 articles
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Present Exchange
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Alternate d4 labelling
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Two Decks Puzzle
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HTTPS
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Gender Identification Puzzle [Update]
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Gender Identification Puzzle
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Marble Puzzle
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Coin Flipping Robot
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Milestones in Aviation
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Hitting the Sun
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Miss Shilling's Orifice
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A butt load of work
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There are many ways to skin a cat
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Red, White, Blue coin weighing puzzle
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Red, White, Blue coin weighing puzzle
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Imposter Syndrome
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Rocket Science
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Firework Science
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Three d20 betting game
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Musical Intermission
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Social Distancing at the Park
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Gold Cubes
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Toxic Sludge Puzzle
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Second Place?
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Perfect Roots Puzzle
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Social Distancing Puzzle
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Two Swimmers
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Cut and Restored Checkerboard
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Birthday and Free Movie Ticket
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Chess Tournament Puzzle
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50:50 Sock Puzzle
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711 Price Puzzle
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One Dice or Two?
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Multi Armed Bandit Game
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Three Triangles Puzzle
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Motion Camouflage
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Space Miner
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Monoliths and Bricks
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Bucket of Dice
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Two sixes in a row
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Four-of-a-kind in the dark
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Pythagoras Revisited
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Blackjack
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Toilet Paper: How long does it last?
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Sum of Digits
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Heroic Triangles
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Finding Nemo
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Another Painted Cube Puzzle
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Glass Half Full?
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Giving Back
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Who finished second?
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Gambler's ruin
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Random points in a sphere
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CES 2020
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Spelling Bee Solver
2019 38 articles
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The Best Full House
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String Selfie
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Sampling from non-symmetric discrete outcomes
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Recovering Source Code Puzzle
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Wood does not really burn
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Heavy Hitters Algorithm
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Zeller's Congruence
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Self Similarity
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Sum Free Sets
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Four Points Puzzle
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Star Polygons
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Venture Beat Article
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Tessellating Regular Polygons
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Elf Chalkboard Puzzle
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Pearl Bracelet
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Video Poker Strategy
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A^B or B^A
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Approximating the Sine Function
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Sad News
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Word Ladder Solver (Longest Solutions)
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Word Ladder Solver
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One Trillion Dollars
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Optimal Shooting Angle
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Uncut Spaghetti
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Birthday Paradox Revisited
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Drones and Helicopters
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AIME Math Puzzle
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Christmas Tree Lights
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Bogus Science
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Ten square units
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How many squares on a chess board?
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Cutting a Square Cake
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Square and Arc Puzzle
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Semicircle Puzzle
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Multiple Choice Quizzes
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CES 2019
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Rotagrams
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2018 Traffic Data
2018 34 articles
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Sudoku Solver
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Christmas elves puzzle
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Optimal Picture Viewing Distance
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von Neumann Poker Analysis
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Self Avoiding Walks
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Site Redesign
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Stereograms
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Mirrors
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Simple Feed Ranking Algorithm
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Serial and Parallel bulb puzzle
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Slot Machines
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Overlapping Disks
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Human Fuel Consumption
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Probability and Tennis
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Grazing and Calculus Revisited
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Verlet Simulations
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Poor Customer Service
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Lucy's Secret Number puzzle
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Six Dice Betting Game
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How digital cameras work
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How analog TV worked
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Turning Water into Wine
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Sock Puzzle Revisited
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Compound interest and retirement
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Nine digits puzzle
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Mathematics of Tape Recorders
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Cribbage Scores
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Kolmogorov and randomness
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Pancake Numbers
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Linus Sequence
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Superbowl Helmet Puzzle
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Moravec's Paradox
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Shortest Crease Problem
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CES 2018
2017 26 articles
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Linked Lists
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Incremental means and variances
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Linear Feedback Shift Registers
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Multi Armed Bandit
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Poor Customer Support?
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The jet plane that shot itself down
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Van der Waerden Numbers
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Hexagon Geometry Puzzle
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Wind Turbine Efficiency
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Voronoi Soccer
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Voronoi Diagrams
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Alphabear Solver
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Cake cutting part 3
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Cake cutting part 2
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Cake cutting
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Three Bag Logic Puzzle
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Cryptogram Puzzle
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Vestigial trigonometry functions
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NSA Easter Egg Puzzle
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Interactive Hangman Solver
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The Price is Right
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Crazy Progress Bars
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Radiocarbon dating
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Centroids of semicircles and hemispheres
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Self Driving Cars
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CES 2017
2016 42 articles
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Painted Cube Puzzle
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Chuck-a-Luck
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Mathematically, what is the optimal pitch for a roof?
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Think slow, think fast
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Freudenstein’s Equation
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Ackerman Steering
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Grazing in a circular field
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Lost Car Key Puzzle
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Tangent Length Puzzle
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Aligned Clock Hands
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6 years and 250 Articles
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Einstein's Spacetime
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Multiple Raffle Strategy
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Champagne Bottles
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Poker odds with wild cards
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Poker Odds
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Wire Gauges
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Lagrange Points
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Moscow Math Olympiad Puzzle
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Balanced Field Length
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Efficient Guttering
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How things float
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Matter and Neutron Stars
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Blending independent estimates
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Piano Keyboards
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Bisecting an arbitrary triangular cake
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Bisecting a triangular cake
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Baseball Card Collecting
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Eiffel Tower
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Solar Eclipses
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How tall is that tree?
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Two Bingo Ball Puzzle
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National Pi Day
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Grazing and Calculus
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Two nugget problem
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d20 stopping puzzle
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Russian Roulette
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Six Roll Dice Game
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Hamming Codes
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Defective Circuit Board Puzzle
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CES 2016
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Koch Snowflake
2015 44 articles
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Tricky Geometry
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Weird Number Bases
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Estimating known unknowns
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Mazes
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Golf Balls
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Cutting a semi-circle
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Go easy on Volkswagen
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Generating Fibonacci Numbers
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Lychrel Numbers
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Gravity Variations
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Business Execution
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Twenty Peg Puzzle
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Becoming an adult
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Langton's Ant (and Life)
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Anti Counterfeit Measures
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Telephone Keypad Design
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Chicken nugget numbers
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Carnival of Mathematics #125
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Congruent Rectangles Puzzle (trig solution)
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Congruent Rectangles in a Square Puzzle
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Fan Direction
- ROT13 and Caesar Ciphers
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Space Needle Climb
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Roulette Wheel
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Carnival of Mathematics
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Standard Deviation Puzzle
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The Pardoner's Puzzle
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Five Circles Puzzle
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Buffon's Needle
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Poincaré conjecture
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Clover Leaf Geometry Puzzle
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Running Track Geometry
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Geometry Puzzle (update)
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Geometry Puzzle
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Deepwater Horizon Tragedy
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How much money do bloggers make?
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Refuelling in cold weather
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Lissajou Curves
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Rich Boy Learns Anagrams
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Pi, PINs, and Permutations
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Simpson's Paradox
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Gerrymandering
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Buckets
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CES 2015
2014 48 articles
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Deal or No Deal?
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100 prisoner escape
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Dealer Button Bias
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How much does a cloud weigh?
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Impossible escape?
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Shuffling Algorithms
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Gray Codes
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Giant iPad
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Triangular Trusses
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Red/Black Gambling Game
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Langford's Sequences
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Exciting soccer games and ballots
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Angle of Repose
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Jello and Lasers
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Optimal Rope Swing
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Flag of the World
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Countdown Letters Game Solver
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Countdown Numbers Game Solver
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Countdown Numbers Game
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Missile Guidance Systems
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Why are cans shaped the way they are?
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Why are ice cream cones shaped the way they are?
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Fitting spheres inside cylinders
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Carving Cylinders from Spheres
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Bad Hashing Function
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Optimal Packing
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Coffee Time Challenges
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Sampling and Confidence levels
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DataGenetics Greatest Hits
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Why do I blog?
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Amidakuji
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Friday the 13th
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How Radar Works
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Holographic Replicators
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Geometric Mean
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Minimum Jeopardy
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Compound Interest
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Fuel Consumption
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Roller Coasters
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The Beauty in Mathematics
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Marathon runners and WWII tanks
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Bounding Rectangles
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Drinking Iced Water
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The fallacy of The Gambler's Fallacy
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Sir Isaac Newton and Mr Samuel Pepys
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Our Atmosphere
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CES 2014
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Escaping from a monster in dark room
2013 47 articles
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Hiding from monsters using Corinthian columns
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Mind Reading Magic Symbol Trick
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Mind Reading Card Trick
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Pixel Scalars
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Why do pipes burst the way they do?
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Risk and Uncertainty
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Dumbwatches
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Visual Cryptography
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Monster Soup
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QR Codes
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De Bruijn Sequences
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How to escape a monster (using calculus)
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Privacy is dead! Long live Trust!
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Average Speeds
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Saving Windows
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YubiKey
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How to rotate an image
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Customer Service
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Linear Regression
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Credit Card Numbers
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World's Fastest Man
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Exact Percentages and Prime Factors
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How much do you spend on coffee
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TEDx Seattle - Completed!
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Bertand's Box
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TEDx Seattle
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Selecting a random secretary
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Imposters in Twitter
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Triple A
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Burst Sausages
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Sicherman Dice
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Hungover
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Use all the vowels
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Broken Keyboard
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Solving Snake
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Old MacDonald had a Perihelion
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Roman Numerals
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A case for recursion
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Rock, Paper, Scissors
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l33t speak words
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Hex words
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Hilbert Curves
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Growing Words
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Inefficient Rulers
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No 'L' quiz
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CES 2013
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The return of the atomic typo
2012 43 articles
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Wheel of Fortune puzzle solver
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Random or Magic - Can you fool a computer at generating random numbers?
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Trivial Wheel of Fortune bonus round
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Are you worth more in dimes, quarters of nickels?
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How to mathematically select the best wife
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Default Digital Photo Filenames
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Elemental Words
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Fat fingers and atomic typos
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Discrete Cosine Transformations
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How to share secrets securely
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Ring, Ring! Where should you stand to answer three phones?
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Analysis of emoticons used on Twitter
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Prefixing an S
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Septic Feline
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Logic Puzzle - Gunman and colored dots
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Rats live on no evil star - Palindromes and mirror words
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PIN number analysis
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Round Pegs and Square Holes
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Maximum Jeopardy!
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The eight Queens problem
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"Uncopyrightable" - Distinct letter words
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Parrondo's Paradox
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"I had no idea". Ketchup, rockets, memes and pleated cups
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Wake up Redmond!
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Two Eggs problem
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Intransitive Dice
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Minesweeper First Click: Quality vs. Quantity
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Consequences of living on a sphere
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How long are your shoelaces?
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Advanced Minesweeper
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Counterintuitive Conundrums
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Space - It's mindbogglingly big!
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Hangman - You've probably been playing it all wrong!
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Benford's Law - Never try to defraud an engineer!
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CQCQ - Mixed up Morse Code
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Padlock Puzzle
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Analysis of Domain Names
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Steganography - How to secretly hide messages
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Analysis of State of the Union Address speeches
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What is the probability of getting a Yahtzee?
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O! Say can you see ...
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Another successful year for facebook
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A geek plays darts
2011 20 articles
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Battleship
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Ukranian Missile Base
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Mathematical Analysis of Candyland
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Mathematical Analysis of RISK
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Mathematical Analysis of Chutes and Ladders
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Facebook World-wide accounts 2011
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Deal-a-Day Deluge
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Living Social and Whole Foods
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Facebook around the World
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Facebook around the World
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Microsoft, you suck!
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Price of soda (per gallon)
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Why is social gaming so popular?
- Facebook around the World
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What is a body worth?
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Natonal Pi day
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Facebook shutdown in Egypt
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What's in a name?
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Data Mining using just names
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Analysing sales data using just names
2010 12 articles
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Sparks and Recursion
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Facebook year end 2011
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Spot the connection
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Facebook Casual Game Demographics
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Smarter Filling
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Laptop XOR iPad
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Facebook Worldwide (Part 2), 2010
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Facebook Worldwide (Part 1), 2010
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All the single ladies...
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Mixed up Mr. Darcy
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Digital Shakespeare
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Chernobyl and Pripyat
