This website should be called "Don't Try It At Home." It has movies of all the experiments you would have tried when you were twelve, if you'd only had a blowtorch: if.geekfreely.co.uk
Nerd thread: As a science teacher my favourite geek site is http://www.twinkiesproject.com.
Bill Higgins-- Beam Jockey
Gigi, check out our 1990 experiment at www.galactic-guide.com/articles/8R17.htm
Recently we had a picnic for everyone who's ever been an operator at Fermilab, and in greeting many old friends, I began to realize this: When I am gone, the Twinkie Experiment is what they will talk about at my wake.