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TCS Updated 19 May 2006

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Tree Canopies and Sun Flecks

by Forrest M. Mims III

Plants that grow on the floor of a forest receive very little sunlight. Such plants are often categorized as subcanopy vegetation.

Forrest Mims' World of Science
by Forrest M. Mims III

Editorial: Amateur Naturalist Allen E. Rhodes
by Forrest M. Mims III

Eye on the Sky: The May Sky by Paul CurtinI

Wanderings with Ralph Coppola

Backscatter. Views and responses from TCS readers.

Mathematics Corner: Direct Proof George E Hrabovsky

Mind of a Theorist: How Do We Model A Solar System? by George E Hrabovsky

"The Making of the Atomic Bomb" by Richard Rhodes (Touchstone, Simon & Schuster, 1986).

Reviewed by Mike Dziekan
Vice President Engineering, Connecticut Analytical Corporation

Shawn Carlson Reports on Results of LABRats Pilot Program

Shawn Carlson Publishes Science Projects in Real Simple Magazine

Shawn Carlson to Emcee Naval Research Conference

2006 Citizen Science Conference Announced

Keeping Your Eyes Open

Allen E. Rhodes

I've found that there are many opportunities to expand personal knowledge of the fauna in my hometown of Seguin, Texas, and on the ranch where I hunt in La Salle County in South Texas.

Reflection on the Miracle Year

Kevin T. Kilty
LCCC Math/Physics/Engineering Departments

As many of you know, 1905 was the centennial of Einstein's so-called miracle year. The U.N. designated 1905 as the World Physics Year (WPY), a year to promote science and science literacy. Scads of American Universities have followed along. There were countless symposia, magazine articles, and even several TV specials, including one on NOVA

How to Discover Asteroid Impacts: The Story of the Discovery of Two Impact Craters

Emilio González
Astroseti.org
Monjos, Barelona, Spain

On 6 March 2006 I published at Astroseti.org a translation into Spanish news about the discovery of Kebira impact crater, a 31-km (19-mile) diameter structure in Egypt, on the border with Libya, by investigators from Boston University.

Hidden Rainbows: How to Measure Chromatic Aberrations in Eyeglasses

Mark Valentine, Electrical Engineer

Isaac Newton in his now famous experiment showed that white light is actually a mixture of seven primary colors, and that each color entering a prism from the same direction will be bent—or refracted—by a unique amount. The seven primary colors are red, orange, yellow, green, blue, indigo and violet. Red is refracted the least, while violet is refracted the most.

False Color Infrared Photography with a Webcam

John F. Green

False color near-infrared photography was invented by researchers at the Eastman Kodak Company during World War II for the purpose of camouflage detection.

 

Response to "Questions and Answers about Climate Change" by Forrest M. Mims III

Kevin T. Kilty

"What is going on here?" asks Forrest Mims (Editorial, TCS, 11 March 2005). Why do countless web sites all appear to present unbalanced views of climate change?". More.

Algorithms for Mental Conversion between the Fahrenheit and Celsius Scales

Robert A. Warren

Yes, quick mental conversions can be made between the Fahrenheit and Celsius scales, using the algorithms presented in this paper. But before these algorithms are presented, some background material is needed. More.

   
Copyright © 2006 by the Society for Amateur Scientists