Absolutely the best page that I have seen on the making of Spud Guns, Air Cannons, and the explanation of quick release air valves and much more great stuff can be found at Backyard Ballistics. Check it out!!

A couple of really great science experimenters pages.

Bill Beaty's Science Page

Scitoys.com.

Early Receivers using a crystal detector as a negative resistance device. Crystadyne Receivers

The PVC pipe static generator that I described here is more powerful than I imagined, when used by someone who really understands static electricity.Great use of pvc pipe static gen.

Until I saw the following web site I always thought: "No one ever truly makes a homemade laser since very special materials, only available from a laser manufacturer, must be used." That was until I saw the following web site. A true homemade laser.

A company that sells glow in the dark materials.Glow in the Dark Paint and Powder

A great page on Carbon Arc Oscillators. Carbon Arc Oscillators.

Some of my homemade cathode ray tubes. Homemade Cathode Ray Tube.

Oscilloscope Made With Homemade Cathode Ray Tube.

The Worlds Smallest Cathode Ray Tube???

The Worlds Smallest Cathode Ray Tube? Second version. Some of my Son's Projects. Paul's page of Digital Altimeters, Accelerometers, Temperature Data Loggers, Temperature Loggers, and Electric Park FlyersGo Here. Or Here.