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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
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
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
March 12, 2005
Ivars Peterson |
Fibonacci's Other Numbers Generalized Fibonacci arrays have attractive properties and could provide a wealth of further activities for exploration... Puzzle of the Week... |
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
November 4, 2006
Ivars Peterson |
Designer Decimals Fractions can yield amazingly familiar decimal expansions. |
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. |
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
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'. |
Science News
March 4, 2006
Ivars Peterson |
The Limits of Mathematics No matter what the system of axioms or rules is, there will always be some assertion that can be neither proved nor invalidated within the system. |
Science News
May 28, 2005
Ivars Peterson |
Mean Median Surprise Mathematicians found, using three numbers, each M&m (mean and median) sequence they found would stabilize, eventually reaching a constant value. |
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
June 30, 2001
Ivars Peterson |
Random Home Runs In the current issue of the Journal of Recreational Mathematics, economist Paul M. Sommers of Middlebury College, Vermont, addresses the question of whether top home-run sluggers knock out homers at random or whether they hit in streaks... |
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
February 28, 2004
Ivars Peterson |
Heads or Tails? A new mathematical analysis now suggests that, in a typical toss, a coin is more likely to land on the same face as it started out on. |
Science News
June 30, 2007
Julie J. Rehmeyer |
A Golden Sales Pitch A design incorporating the golden ratio makes blue jeans aesthetically pleasing, or so the manufacturer claims. |
Financial Planning
August 1, 2013
Craig L. Israelsen |
Does the Sequence of Market Returns Matter? The markets have good years and bad years, but the impact on a client s investments depends on the timing. |
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
June 9, 2001
Ivars Peterson |
Mobius Accordion Artist Susan Happersett of Jersey City, N.J., has come up with a novel twist on the venerable Mobius strip: a playful, eye-catching creation she describes as a Mobius accordion... |
Science News
February 19, 2005
Ivars Peterson |
The Coin in the Cake An International Mathematical Olympiad worked out the probability of cutting through a coin placed in a cake... Puzzle of the Week... |
AskMen.com
Craig Mazin |
Top 10: Credit Sequences The opening credit sequences of movies have become an art unto themselves. Here is the list of our ten favorites. |
