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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 1, 2006
Ivars Peterson |
Magic Square Physics Taking a magic square or cube for a spin reveals some interesting properties. |
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
January 3, 2004
Ivars Peterson |
Perfect Magic Cubes A magic cube is a three-dimensional array of whole numbers, in which each row, column, and body diagonal adds up to the same total. A perfect magic cube is one in which the diagonals of each vertical or horizontal slice through the cube also sum to the same value. Mathematicians are intrigued. |
Science News
October 4, 2003
Ivars Peterson |
A Magic Knight's Tour For as long as chessboards have existed, there have been puzzles involving chessboards and chess pieces. Some of the most enduring conundrums involve knights. |
Science News
May 4, 2002
Ivars Peterson |
Prime Spirals There is truly not only mystery but also beauty in the distribution of prime numbers... |
Science News
July 17, 2004
Ivars Peterson |
Waring Experiments The different ways of expressing whole numbers as sums of parts has long fascinated both professional and amateur mathematicians. |
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
May 6, 2000 |
Completing Latin Squares Latin Squares have proved useful for a variety of purposes. However, their generation is a "quasigroup completion problem" which can involve difficult computation and a phase transition. |
Science News
November 25, 2000
Ivars Peterson |
Square of the Hypotenuse A history of the well-traveled and perpetually youthful Pythagorean Theorem... |
HBS Working Knowledge
January 12, 2004
Jonathan Byrnes |
Bridge the Gap Between Strategy and Tactics: Part 3 The Magic Matrix enables managers to go far beyond core integrated planning into much more sophisticated, powerful advanced integrated planning. Here are six applications. |
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... |
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. |
HBS Working Knowledge
December 1, 2003
Jonathan Byrnes |
Bridge the Gap Between Strategy and Tactics Core integrated planning is a five-step process. Here are the key Magic Matrices, and some important planning issues they enable managers to address. |
Science News
May 27, 2000
Ivars Peterson |
Math Trails in Ottawa ...math teacher Ron Lancaster of Hamilton, Ontario, has been creating "math trails" for both students and teachers as a way to demonstrate that mathematics can be found anywhere and everywhere... |
The Motley Fool
September 9, 2011
Shubh Datta |
Magic on the Move Magic Software is moving in the right direction. |
HBS Working Knowledge
November 3, 2003
Jonathan Byrnes |
Bridge the Gap Between Strategy and Tactics Profitability management, the theme of this column, is all about translating great strategies into sound plans -- and sound plans into effective tactical actions. |
Science News
April 12, 2003
Ivars Peterson |
Constructing Domino Portraits One rendition of a famous portrait was constructed entirely from 48 complete sets of double-nine dominoes. The work of mathematician Robert Bosch of Oberlin College, this remarkable creation represents the successful application of a novel algorithm for approximating target images as arrays of dominoes. |
This Old House
John Kelsey |
Choosing and Using Squares These simple but indispensable measuring tools can do some amazing tricks |
Science News
January 14, 2006 |
Benjamin Franklin at 300 For the 300th anniversary of Benjamin Franklin's birth, a new Web portal offers a comprehensive, searchable resource for teachers and students. |
IEEE Spectrum
March 2006
Justin Mullins |
Ben Franklin's London House Opens As a Landmark The house in London where Benjamin Franklin lived just before the American Revolution opened recently as a public museum exactly 300 years after the birth of the scientist and statesman. |
Linux Journal
October 2000
Jon Valesh |
Magic Enterprises Edition 8.3 for Linux Magic Enterprise 8.3 provides the back end, and Magic Tool Kit 8.3 provides the rapid development environment for e-commerce and other database-intensive applications. Between the two, you'll have everything you need for your database/web site integration. |
Smithsonian
March 2006
Simon Worrall |
Ben Franklin Slept Here Visitors can now experience the ingenious founding father's only surviving residence in London -- now reborn as a museum. |
Financial Advisor
October 2004
Raymond Fazzi |
Planning For The Long Gains While many financial advisors preach discipline and forethought, the sports world is often a fast-paced place of shady business deals, where millionaires are made and broken practically overnight. |
