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MathTrek Archives

2005: June | May | Apr. | Mar. | Feb. | Jan.
2004: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
2003: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
2002: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
2001: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
2000: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
1999: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
1998: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
1997: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May | Apr. | Mar. | Feb. | Jan.
1996: Dec. | Nov. | Oct. | Sep. | Aug. | July | June | May/April
Mystery BoxMystery Box Archives

June 2005 Back to Top
  06/11/2005 Winning at Tennis
  06/04/2005 Knot an Interchange
May 2005 Back to Top
  05/28/2005 Mean Median Surprise
  05/21/2005 Divisibility by Seven
  05/07/2005 Coins in a Row
April 2005 Back to Top
  04/30/2005 Works in Progress
  04/23/2005 Classroom Birthdays
  04/16/2005 Captcha the Puzzle
  04/09/2005 Sosa's Corked Bat
  04/02/2005 Sea Shell Spirals
March 2005 Back to Top
  03/12/2005 Fibonacci's Other Numbers
  03/05/2005 Primal Surge
February 2005 Back to Top
  02/19/2005 Super Bowl Crashes
  02/05/2005 Knot Divided in Snow
January 2005 Back to Top
  01/22/2005 Thirteen Spades
  01/08/2005 Going with the Crowd
  01/01/2005 Artful Routes
December 2004 Back to Top
  12/18/2004 Sphere Worlds
  12/11/2004 Pennies in a Tray
November 2004 Back to Top
  11/20/2004 Cruise Control and Traffic Flow
  11/13/2004 The Iced Foot Effect
  11/06/2004 Football's Overtime Bias
October 2004 Back to Top
  10/30/2004 Squaring Circles
  10/23/2004 Young Gauss
  10/16/2004 A Catalog of Random Bits
  10/09/2004 Randomness, Risk, and Financial Markets
  10/02/2004 Proof by Computer
September 2004 Back to Top
  09/25/2004 Euler's Sums of Powers
  09/18/2004 Sunlight Speckle
  09/11/2004 Flight of the Bumblebee
  09/04/2004 College Football, Rankings, and Wandering Monkeys
August 2004 Back to Top
  08/28/2004 More Progressive Primes
  08/21/2004 Floating Bodies
July 2004 Back to Top
  07/24/2004 Math Olympiad in Athens
  07/17/2004 Waring Experiments
  07/10/2004 Pythagoras Plays Ball
June 2004 Back to Top
  06/26/2004 Dogs Catching Frisbees
  06/19/2004 Earth Hole
  06/12/2004 Groups, Graphs, and Erdös Numbers
  06/05/2004 Priming Upward
May 2004 Back to Top
  05/29/2004 Playing Pig, Optimally
  05/22/2004 A Measure of Beauty
  05/08/2004 Extra Time, Math, and the SAT
  05/01/2004 Counting on Fibonacci
April 2004 Back to Top
  04/24/2004 Progressive Primes
  04/17/2004 Anatomy of a Bead Creature
  04/10/2004 From Number Puzzles to Automata
  04/03/2004 Riding on Square Wheels
March 2004 Back to Top
  03/27/2004 Pinpointing Killer Asteroids
  03/20/2004 Deriving the Structure of Numbers
  03/13/2004 Mapping Scientific Frontiers
  03/06/2004 Mining the Tagged Web
February 2004 Back to Top
  02/28/2004 Heads or Tails?
  02/21/2004 Computing on a Cellular Scale
  02/14/2004 Hunting e
  02/07/2004 Turning a Snowball Inside Out
January 2004 Back to Top
  01/31/2004 Amicable Pairs, Divisors, and a New Record
  01/24/2004 Folding Paper in Half—Twelve Times
  01/17/2004 Extreme Tides
  01/10/2004 Splitting Terrorist Cells
  01/03/2004 Perfect Magic Cubes
December 2003 Back to Top
  12/20/2003 Sculpting with a Twist
  12/13/2003 Tricky Crossings
  12/06/2003 Megaprime Champion
November 2003 Back to Top
  11/29/2003 The Cow in the Classroom
  11/22/2003 Pentomino Battleships
  11/15/2003 Cool Rationals
  11/08/2003 Geometreks
  11/01/2003 Strolling Down Möbius Lane
October 2003 Back to Top
  10/25/2003 Seven-Game World Series
  10/18/2003 Election Reversals
  10/11/2003 Goldbach Computations
  10/04/2003 A Magic Knight's Tour
September 2003 Back to Top
  09/27/2003 The Bias of Random-Number Generators
  09/20/2003 Rolling with Reuleaux
  09/13/2003 Trimathlon Palindromes
  09/06/2003 Pennant Races and Magic Numbers
August 2003 Back to Top
  08/30/2003 Hyperbolic Five
  08/23/2003 SET Math
  08/16/2003 Golf Clubs and Driving Distance
  08/09/2003 Running Lanes and Extra Steps
July 2003 Back to Top
  07/26/2003 Perfect Pyramids
  07/12/2003 Improving the Odds in RISK
  07/05/2003 Alphamagic Squares
June 2003 Back to Top
  06/28/2003 Theorems in Wheat Fields
  06/21/2003 Prime-Time Cicadas
  06/07/2003 A Dog, a Ball, and Calculus
May 2003 Back to Top
  05/31/2003 Measuring with Jugs
  05/24/2003 Deciphering the Wrinkles of Crumpled Sheets
  05/17/2003 Sequence Puzzles
  05/10/2003 Coins for Making Change Efficiently
  05/03/2003 A Geometric Superformula
April 2003 Back to Top
  04/26/2003 Recycling Topology
  04/19/2003 The Colors of an Equation's Roots
  04/12/2003 Constructing Domino Portraits
  04/05/2003 Fractured Granite and Fractal Prints
March 2003 Back to Top
  03/29/2003 Crediting Basketball's Three-Pointers
  03/22/2003 Chomping to Win
  03/15/2003 Solving Yahtzee
  03/08/2003 Contra Dances, Matrices, and Groups
  03/01/2003 Cracking Fermat Numbers
February 2003 Back to Top
  02/22/2003 The Tangled Task of Distinguishing Knots
  02/08/2003 A Graceful Sculpture's Showy Snow Crash
  02/01/2003 Sliding-Coin Puzzles
January 2003 Back to Top
  01/25/2003 Chemical Dissections
  01/18/2003 A Perfect Collaboration
  01/11/2003 A Remarkable Dearth of Primes
  01/04/2003 Sound-Byte Math Music
December 2002 Back to Top
  12/21/2002 Lacing Shoes, Revisited
  12/14/2002 A Trillion Pieces of Pi
  12/07/2002 Five-Suit Decks, Traffic-Jam Puzzles, and Other Treats
November 2002 Back to Top
  11/30/2002 Fold-and-Cut Magic
  11/23/2002 Ancient Infinities
  11/16/2002 Card Shuffling Shenanigans
  11/09/2002 A Fibonacci Fountain
October 2002 Back to Top
  10/26/2002 Tetris Is Hard
  10/19/2002 A Fibonacci Fountain
  10/12/2002 Catching Flies
September 2002 Back to Top
  09/28/2002 Stepping Beyond Fibonacci Numbers
  09/21/2002 DNA's Error-Detecting Code
  09/14/2002 Doing the Wave
  09/07/2002 Solving an Ancient African Game
August 2002 Back to Top
  08/31/2002 Golden Blossoms, Pi Flowers
  08/24/2002 Probabilities in Bingo
  08/17/2002 Testing for Divisibility
  08/03/2002 Home Runs and Ballparks
July 2002 Back to Top
  07/27/2002 Taxicab Numbers
June 2002 Back to Top
  06/29/2002 Dangerous Problems
  06/22/2002 Conquering Catalan’s Conjecture
  06/08/2002 Fractal Roots and Artful Math
  06/01/2002 Setting Records Randomly
May 2002 Back to Top
  05/25/2002 Crystal Möbius
  05/18/2002 A Lawyer's Math Library
  05/11/2002 Song-and-Dance Fermat
  05/04/2002 Prime Spirals
April 2002 Back to Top
  04/27/2002 Getting Clobbered
  04/13/2002 Tricky Dice Revisited
  04/06/2002 The EKG Sequence
March 2002 Back to Top
  03/30/2002 Rainbow Randomness
  03/16/2002 Highway Relativity
  03/02/2002 Scrabble's Random Letters
February 2002 Back to Top
  02/23/2002 Ice Cream Wars
  02/16/2002 A Snowy Twist
  02/09/2002 Algebraic Hearts
  02/02/2002 Euler's Homework
January 2002 Back to Top
01/26/2002 Sampling for Superclarity
01/19/2002 Computers by the Trillions
01/05/2002 How Far Away?
December 2001 Back to Top
12/22/2001 Guessing Cards
12/08/2001 The Math Hatter and More
November 2001 Back to Top
11/24/2001 Canary Songs
11/10/2001 Online Bidding Tips
11/03/2001 Absolutely Abnormal
October 2001 Back to Top
10/27/2001 Tolstoy's Calculus
10/20/2001 Firm Data
10/06/2001 Spotting Ladybugs
September 2001 Back to Top
09/29/2001 Follow the Leader
09/22/2001 Sand Drawings and Mirror Curves
09/08/2001 Waves of Congestion
August 2001 Back to Top
08/25/2001 Mozart's Melody Machine
July 2001 Back to Top
07/21/2001 Art of Pursuit
07/14/2001 Pursuing Pursuit Curves
07/07/2001 Acoustic Residues
June 2001 Back to Top
06/30/2001 Random Home Runs
06/16/2001 Bubbles and Math Olympiads
06/09/2001 Möbius Accordion
06/02/2001 Prime Twins
May 2001 Back to Top
05/19/2001 Cosmic Numerology
05/05/2001 Lava Lamp Randomness
April 2001 Back to Top
04/21/2001 Temple Circles
04/07/2001 Strange Orbits
March 2001 Back to Top
03/31/2001 Prized Geometric Logic
03/24/2001 Buses on Quantum Schedules
03/17/2001 Subtle Logic, Winning Game
03/10/2001 Mayan Mars
03/03/2001 Quirky Video Poker
February 2001 Back to Top
02/24/2001 Appealing Numbers
02/17/2001 Immersed in Klein Bottles
02/10/2001 White Narcissus
02/03/2001 Fibonacci's Chinese Calendar
January 2001 Back to Top
01/20/2001 Scheduling Random Walks
01/06/2001 Folding Maps
December 2000 Back to Top
12/02/2000 Zeroing In on Catalan's Conjecture
November 2000 Back to Top
11/25/2000 Square of the Hypotenuse
11/11/2000 Poe's Secret
11/04/2000 Mathematical Art on Display
October 2000 Back to Top
10/28/2000 Dots and Boxes
10/14/2000 Disorder in the Deck
10/07/2000 Staying in Step
September 2000 Back to Top
9/30/2000 Planes of Budapest
9/16/2000 Plato's Molecule
9/9/2000 Defending the Roman Empire
9/2/2000 Möbius at Fermilab
August 2000 Back to Top
8/26/2000 Scrambled Grids
8/19/2000 Goldbach's Prime Pairs
8/12/2000 Art of the Grid
July 2000 Back to Top
7/29/2000 Software's Origin
7/22/2000 Turtle Tracks
7/15/2000 Pinpointing Prey
7/08/2000 Möbius and his Band
7/01/2000 Super Bowls and Stock Markets
June 2000 Back to Top
6/24/2000 Spinning to a Rolling Stop
6/17/2000 Punctured Polyhedra
6/10/2000 Puzzling Lines
6/03/2000 Sliding Pi
May 2000 Back to Top
5/27/2000 Math Trails in Ottawa
5/13/2000 Buffon's Needling Ants
5/6/2000 Completing Latin Squares
April 2000 Back to Top
4/29/2000 Tilt-A-Whirl Chaos (II)
4/22/2000 Tilt-A-Whirl Chaos (I)
4/8/2000 Hiding in DNA
4/1/2000 The Incredible Pi Code
March 2000 Back to Top
3/25/2000 Abbott and Costello's Wacky Math
3/18/2000 Whips and Dinosaur Tails
3/11/2000 A Fair Deal for Housemates
3/4/2000 Losing to Win
February 2000 Back to Top
2/19/2000 Troublesome Weather Trends
2/12/2000 Jazzing Up Euclid's Algorithm
2/5/2000 A Minimal Winter's Tale
January 2000 Back to Top
1/29/2000 The Math Game
1/22/2000 Turn of the Screw
1/15/2000 Algebra, Philosophy, and Fun
1/8/2000 Candy for Everyone
1/1/2000 A Stranger from Spaceland
December 1999 Back to Top
12/11/99 Pretty Functions
12/4/99 Party Games
November 1999 Back to Top
11/27/99 Geometry Out of Africa
11/20/99 Curving Beyond Fermat
11/13/99 Prophet of Chaos
11/6/99 Art of the Tetrahedron
October 1999 Back to Top
10/30/99 Adventures in the MathZone
10/23/99 Euler Bricks and Perfect Polyhedra
10/16/99 Magic Tesseracts
10/9/99 Mastering Mastermind
10/2/99 Sculpture Generator
September 1999 Back to Top
9/25/99 Tiling with Polyominoes
9/18/99 Jackson Pollock's Fractals
August 1999 Back to Top
8/28/99 MSRI Reflections
8/21/99 Lunar Shadows
  8/14/99 Matrices, Circles, and Eigenthings
  8/7/99 Averting Instant Insanity
July 1999 Back to Top
  7/31/99 Juggling by Design
  7/24/99 Mersenne Megaprime
  7/17/99 Row Your Boat
  7/10/99 A Song About Pi
  7/3/99 Solitaire-y Sequences
June 1999 Back to Top
  6/26/99 The Return of Zeta
  6/19/99 The Mark of Zeta
  6/12/99 MSRI Journal
  6/5/99 Counting by Twos
May 1999 Back to Top
  5/29/99 Brainy Figuring
  5/22/99 Möbius in the Playground
  5/15/99 Coloring Penrose Tiles
  5/8/99 Palindromic Primes
  5/1/99 Minesweeper Logic
April 1999 Back to Top
  4/24/99 A Viral Dilemma
  4/17/99 Gauss's Orbits
  4/10/99 Simulating Society
March 1999 Back to Top
  3/27/99 Tying Down a Random Walk
  3/20/99 A Winning Division
  3/13/99 Plane Patterns
  3/6/99 Minimal Snow
February 1999 Back to Top
  2/27/99 The Galois Story
  2/20/99 Financial Noise
  2/6/99 The Shoelace Problem
January 1999 Back to Top
  1/30/99 Rock-and-Roll Bridge
  1/23/99 Medieval Harmony
  1/16/99 Millennium Primes
  1/9/99 Dancing Chaos
December 1998 Back to Top
  12/19/98 Calendar Quirks
  12/12/98 Who's Really No. 1?
  12/5/98 Prime Treasure Hunt
November 1998 Back to Top
  11/21/98 Birthday Surprises
  11/14/98 Geometry of War
  11/7/98 Hunting e
October 1998 Back to Top
  10/31/98 How to Fix an Election
  10/24/98 Unfair Dice
  10/10/98 License Codes
  10/3/98 Arithmagic
September 1998 Back to Top
  9/26/98 Home Run Numbers
  9/19/98 Calculus Made Easy
  9/5/98 Love's Dynamics
August 1998 Back to Top
  8/1/98 Magic of Perfect Shuffles
July 1998 Back to Top
  7/25/98 Beyond Extra Large (and Ultra Small)
  7/18/98 Visiting Artlandia
  7/11/98 Riding on Square Wheels
  7/4/98 Prime Talent
June 1998 Back to Top
  6/27/98 First Digits
  6/20/98 Prime Listening
  6/13/98 Coins, Art, and Math in North Bay
  6/6/98 World's Fastest Man
May 1998 Back to Top
  5/16/98 Cubes of Perfection
  5/9/98 Return of the Mathematical Tourist
  5/2/98 Cracking a Medieval Code
April 1998 Back to Top
  4/18/98 Cattle of the Sun
  4/11/98 Curves on Baseballs
  4/4/98 Math TV: Life by the Numbers
March 1998 Back to Top
  3/21/98 A Prime Surprise
  3/14/98 More Than Just a Plane Game
February 1998 Back to Top
  2/28/98 Pick a Digit, Any Digit
  2/21/98 The Limits of Mathematics
  2/14/98 The Counterfeit Coin
  2/7/98 Nine Primes in a Row
January 1998 Back to Top
  1/31/98 Digits, Squares, and Cycles
  1/24/98 Truel in the Sun
  1/17/98 Picking Winners
  1/10/98 Murder and the Economist
  1/3/98 From Starting Line to Ancient Angle
December 1997 Back to Top
  12/20/97 Mailbox: Magic Dice, Monopoly, and Contra Dancing
  12/13/97 A Penny Surprise
  12/6/97 The Amazing ABC Conjecture
November 1997 Back to Top
  11/29/97 Getting Slammed in Tennis
  11/22/97 Circles of Dissonance
  11/15/97 A Progression of Primes
  11/8/97 Springing a Physical Surprise
  11/1/97 Knotted Walks
October 1997 Back to Top
  10/25/97 Names for Numbers
  10/11/97 Fractions, Cycles, and Time
  10/4/97 Tricky Dice