Julia made a Van de Graaff generator out of PVC pipe and a coke can. She did a science fair project where she was testing static charges with an easy to build charge detector (seen here in all its alligator clip and LED glory).It was a pretty neat thing to do.
All of the projects came from Billb's HV/Electrostatic Build-it Projects and Scitoys
And NO, I did not build it for her. I did drill a couple of holes and gave suggestions for dealing with the problem of the rubber band that was moving electrons around getting stuck, though.
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