| Similar Articles |
|---|
 |
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
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
July 14, 2001
Ivars Peterson |
Pursuing Pursuit Curves A pursuit curve is the path an object takes when chasing another object. Such a path might result from a fox pursuing a rabbit or a missile seeking a moving target. Plotting pursuit curves can produce fascinating patterns... |
This Old House
John Kelsey |
Choosing and Using Squares These simple but indispensable measuring tools can do some amazing tricks |
Science News
January 26, 2008
Julie J. Rehmeyer |
Math Trek: Benjamin Franklin Plays Sudoku Founding father entertained himself devising beautiful mathematical puzzles. |
Science News
July 10, 2004
Ivars Peterson |
Pythagoras Plays Ball Baseball, like engineering and science, is a game of inches and feet. |
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
May 11, 2002
Ivars Peterson |
Song-and-Dance Fermat Fermat's Last Tango, a musical based on the story of Fermat's last theorem and the quest to prove it, is cheerful, clever, and entertaining. Its varied music is engaging. It puts mathematics on display as an intensely human endeavor... |
Science News
October 30, 2004
Ivars Peterson |
Squaring Circles Laczkovich proved that "squaring the circle" is possible, provided that the pieces have the right form. The proof applies not only to circles but also to nearly any plane figure with a mathematically well-behaved boundary... Puzzle of the Week... |
Science News
January 25, 2003
Ivars Peterson |
Chemical Dissections In recreational mathematics, a geometric dissection involves cutting a geometric figure into pieces that you can reassemble into another figure. Now, chemists have gotten into the dissection game, as a novel strategy for getting small objects to assemble themselves into different regular forms. |
Science News
June 28, 2003
Ivars Peterson |
Theorems in Wheat Fields The architects of certain crop circles near Stonehenge seem to show an uncanny facility with Euclidean geometry. |
Fast Company
Neal Ungerleider |
Jack Dorsey: "I Believe That The Square Wallet Experience Was The Peak" Square Wallet, the digital wallet from mobile payments company Square that allowed people to pay with just their name, may not stay dead for long. |
Fast Company
David Lumb |
Square Goes After Branded Payments With $Cashtags Square is opening up its Square Cash quick-payment service, previously used only for exchanging money between individuals, to, well, almost anyone. |
Fast Company
Austin Carr |
Why Jack Dorsey Killed The Square Credit Card Despite buzz about the potential of a Square credit card, other company sources indicate the project was recently killed. |
