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Science News
July 5, 2003
Ivars Peterson |
Alphamagic Squares Magic squares have fascinated people for thousands of years. They consist of a set of whole numbers arranged in a square so that the sum of the numbers is the same in each row, in each column, and along each diagonal. A twist on the concept, the alphamagic square, is interesting, too.   |
Science News
July 1, 2006
Ivars Peterson |
Magic Square Physics Taking a magic square or cube for a spin reveals some interesting properties. |
Science News
July 7, 2007
Julie J. Rehmeyer |
Math Trek: Sudoku and Graph Theory Mathematicians find new clues to the popular puzzle. |
Science News
August 24, 2002
Ivars Peterson |
Probabilities in Bingo What makes the game suspenseful is the tantalizing uncertainty about when someone will achieve a Bingo. It's natural to wonder how long a typical game would last. More precisely, what is the average number of calls required to complete a game for a given number of players? |
Science News
October 26, 2002
Ivars Peterson |
Tetris Is Hard As many computer- and video-game players have long known, the insanely addictive, immensely popular game of Tetris is tough. Now, researchers from MIT's Laboratory for Computer Science have analyzed Tetris from a computational perspective. |
Science News
June 24, 2006
Ivars Peterson |
Counting Franklin's Magic Squares One mathematician finds that Benjamin Franklin's remarkable magic squares are just three of more than 1 million possibilities. |
Science News
June 25, 2005
Ivars Peterson |
Magic Squares of Squares People have been toying with magic squares for more than 2,000 years--setting themselves increasingly difficult challenges to find arrays of numbers that fit given patterns. Here are some examples. |
Science News
January 26, 2008
Julie J. Rehmeyer |
Math Trek: Benjamin Franklin Plays Sudoku Founding father entertained himself devising beautiful mathematical puzzles. |
Science News
October 28, 2000
Ivars Peterson |
Dots and Boxes The familiar pencil-and-paper game of Dots-and-Boxes sounds exceedingly simple. Despite the simplicity of its rules, the game can be played on several different levels of sophistication... |
AskMen.com
Adam Fox |
This Season's Perfect Sunglasses: Style Q&A From walking around, I get the feeling that there is a difference between summer and fall sunglasses. What's your take? If so, what are the traits of good fall glasses? |
