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Science News
September 28, 2002
Ivars Peterson |
Stepping Beyond Fibonacci Numbers Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities.   |
Science News
May 1, 2004
Ivars Peterson |
Counting on Fibonacci Fibonacci numbers have all sorts of amazing properties and links to many different kinds of mathematics |
Science News
October 19, 2002
Ivars Peterson |
A Fibonacci Fountain Lake Fibonacci is a recently created reservoir at the Maryland Science and Technology Center, bordered by Curie Drive and Science Drive. The lake's remarkable centerpiece is a massive, yet elegant mathematical fountain that spurts water as high as 36 feet into the air. |
Science News
November 4, 2006
Ivars Peterson |
Designer Decimals Fractions can yield amazingly familiar decimal expansions. |
Science News
February 3, 2001
Ivars Peterson |
Fibonacci's Chinese Calendar The curious coincidence of the Fibonacci cycle and the Chinese calendar cycle allowed Seok Sagong of Middletown, Conn., to establish a one-to-one correspondence between the sequence of final digits of Fibonacci numbers and the names of years in the Chinese calendar... |
Science News
May 17, 2003
Ivars Peterson |
Sequence Puzzles Neil A.J. Sloane of AT&T Shannon Labs in Florham Park, N.J., has been collecting number sequences ever since he was a graduate student at Cornell University in the 1960s. |
Science News
June 3, 2006
Ivars Peterson |
Fibonacci's Missing Flowers The number of petals that a flower has isn't always a Fibonacci number. You have to be careful when you're building mathematical models of natural phenomena. |
Science News
August 31, 2002
Ivars Peterson |
Golden Blossoms, Pi Flowers Fibonacci numbers (and the golden ratio) come up surprisingly often in nature, from the number of petals in various flowers to the number of scales along a spiral row in a pine cone. How do these numbers and the golden ratio arise? |
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
April 6, 2002
Ivars Peterson |
The EKG Sequence Sequences of numbers have long fascinated both amateur and professional mathematicians. Here's a recently discovered example that has prompted some serious mathematical investigation... |
Science News
June 29, 2002
Ivars Peterson |
Dangerous Problems Some mathematical problems are easy to describe but turn out to be notoriously difficult to solve. Nonetheless, despite repeated warnings from those who have failed in the past, these unsolved problems continue to lure mathematicians into hours, days, and even years of futile labor. |
Science News
September 24, 2005 |
Math Music An interactive Web site, developed at Eastern Washington University, provides variety of tools for composing music based on mathematical recipes that convert sequences of numbers -- such as pi, or Fibonacci numbers -- into sounds. |
PC Magazine
December 30, 2003
Neil J. Rubenking |
The Ultimate Sum Formula in Excel Here's how to set up a formula that will automatically adapt and sum all the cells above it, wherever it is placed. |
Science News
May 5, 2007
Julie J. Rehmeyer |
The Mathematical Lives of Plants Scientists are figuring out why plants grow in spiral patterns that incorporate the 'golden angle'. |
