The Chemical History of a Candle
by Michael Faraday
ISBN 0-486-42542-8

Reviewed by Mike Dziekan
VP Engineering
Connecticut Analytical Corporation

Michael Faraday, a man with little formal education, is regarded as one of the greatest scientists of all time. He is also considered the father of electrical engineering. During the Christmas holidays of 1860 and 1861, Faraday presented a series of six lectures before a Juvenile Auditory at the Royal Institution of Great Britain.

A Do-It-Yourself Vacuum Tube

Mark Valentine

I loved Forrest Mims' article about vacuum tubes.

Readers can make their own diode vacuum tubes with a dual-filament automotive tail light. These lights have two filaments and three connecting terminals. One end of each filament shares an electrical terminal with the other; the other end of each filament has its own unique terminal

 

Model Rocketry in Science Fairs

Trip Barber, National Association of Rocketry (NAR) Member #4322

Model rocketry is an ideal tool for use with school science projects. It permits the student to conduct many repetitions of a flight experiment at a reasonable cost, and in the process of doing the experiment the student not only learns but also gets to do something that is a lot of fun—fly rockets!

This Week at Hilton Pond

Bill Hilton Jr.
Executive Director
Hilton Pond Center for Piedmont Natural History
York, South Carolina 29745 USA

Signs Of Spring, 2008 (22-31 March 2008)

When spring arrives at Hilton Pond Center, you can bet the old macro lens will be working overtime as we try to document the sudden profusion of blossoms that come with warmer days and shorter nights. "This Week at Hilton Pond" we take a look at signs of spring among our flowering plants--some native, some not.