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The Tiger Swallowtail

Christian Thorsten, CR Scientific

Here's a photo I took of Papilio glaucas, the tiger swallowtail. The flower is Echinacea purpurea, the purple coneflower, More

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

Editorial: Benjamin Franklin's Study of the Gulf Stream by Forrest M. Mims III

Eye on the Sky: The October Sky by Paul Curtin

Wanderings with Ralph Coppola

Backscatter. Views and responses from TCS readers.

Eye on the Sky: The September Sky by Paul Curtin

Classics: "The Amateur Scientist Classics" A Primer on Soap Bubbles
Shawn Carlson

The Restless Sun

SPECIAL ALERT: LABRats Supply Bureau Opens, All SAS Members Welcome!

Hurricane News from Deep in Mississippi

Shawn Carlson and LABRats Make The Boston Globe

The Blister Beetle

Richard Haynes

“Bugs are eating our autumn clematis and have nearly destroyed it," complained my wife one afternoon last fall. More

Observing the 2005 Mars Opposition

Paul Curtin

Mars returns in October, offering a great chance for amateurs to view this planet under very favorable conditions. Unlike the 2003 apparition, which favored southern observers, this year the north will get the best view. More

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.
Updated 23 September 2005
 
 

In 1992 and 1994 two discoveries were made that have had a major impact on the scientific community. These finds, the Schaefer and Hebior mammoths, were discovered and excavated in Kenosha County, Wisconsin, through the efforts and skills of a number of individuals. More.

Sideways Gravity in the Basement: Norman Scheinberg's Cavendish Experiment

John W. Dooley,

Physics Department, Millersville University

Norman Scheinberg is a professor of electrical engin- eering at The City College of the City University of New York. He built a Foucault pendulum in his basement just to see if he could get it to work. More
   
Copyright 2005 by Society for Amateur Scientists