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The Odd Couple

Donald Sieber

As I strolled through Katherine Albertsons memorial park in Boise, Idaho, on 8 September 2005, I was suddenly made aware of a pair of eyes watching me as I crossed a small wooden bridge.

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

Editorial: Writing for The Citizen Scientist by Forrest M. Mims III

Wanderings with Ralph Coppola

Mind of a Theorist: A New Year For The Mind of a Theorist by George E Hrabovsky

Backscatter. Views and responses from TCS readers.

Eye on the Sky: The February Sky by Paul Curtin

Mathematics Corner: Introduction to the Fourth Year of this Column
George E Hrabovsky

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.

Notices for The Citizen Scientist

Amateur Radio Operators Track SuitSat

Stardust Mission Update

Computer Simulation of Complex Chemical Systems: Reflections On The TCA Cycle

Marty Carlson

At the time I took the photo above, I was taking a biochemistry class. During this class I was awestruck at the glimpse I received into what we are.

The Sperling Files: The Dim, the Weak and the Ugly

Norman Sperling

In both processes, the humans involved are often attracted to bright and beautiful objects. For the researcher, “bright” means plenty of light is available, making it practical to take detailed photographs and spectra. For the picture-editor who has to select some items and leave out others, bright and beautiful objects beat dim and ugly ones.

How to Prepare Abrasive Powders

Alvaro Amaro de Azevedo

Arrange about 200 g of washed dried sand and put it in a ball mill (see here or search here). Let it crush for one hour or so and then transfer the flour to a 200 ml glass.

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.
Updated 10 February 2006

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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