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Encounter With a Baby Blackbird

Denise D. Greaves

In the late spring and summer we frequently visit a runoff pond in northwestern Cranston, Rhode Island, that supports a varied population of pond-loving dragonflies. It is roughly L-shaped and not very large. More.

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

Editorial: Citizen Scientists Recognized in the Journal Science
by Forrest M. Mims III

Wanderings with Ralph Coppola

Backscatter. Views and responses from TCS readers.

Eye on the Sky: The July Sky by Paul Curtin

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

Number 100 of Ralph Coppola's "Wanderings" Column

Shawn Carlson is Looking for Collaborators

NASA's Deep Impact Mission Succeeds

Evolution of Ultraviolet Meters at Solartech Inc.

Steve Mackin
Solartech Inc.

Handheld ultraviolet (UV) meters have found many unexpected uses in recent years. Originally analog needle gauges like this, they have evolved into convenient digital units like this and this and the Solartech Solarmeter® units... More

Lab Preparation of Ferrous Sulfate

Christian Thorsten, CR Scientific

WARNING: This procedure involves working with sulfuric acid. If you choose to attempt it, you do so entirely at your own risk. Children must not conduct this procedure unless they are carefully supervised by a responsible adult. 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 15 July 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