Set up Comments - Mel Pomerantz

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Submitted by Mel Pomerantz on Fri, 01/23/2015 - 02:49
Demo Name: 
Electrostatic doorbell: Ball bangs between charged plates.
Set-up Comments: 
Repeat from 1/22. In addition to the conducting ping-pong ball, have an insulating ball (ping-pong or styrofoam). A glass of pure water. Some table salt. Please have 2 vdGraafs. Cranked one for demo. Another one to open.
Professor Name: 
Mel Pomerantz