Lightweight pith balls can show electrostatic attraction and repulsion.
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Read more: Pith Balls & Static Electricity
The force on a charged particle moving in a magnetic field is demonstrated with a cathode ray tube and a large bar magnet.
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The Wimshurst Machine produces sparks by means of electrostatic induction.
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This demonstration uses the Van de Graaff generator to show how like charges repel.
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When the LED is immersed in the liquid nitrogen, the colour changes!
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Read more: LED in Liquid Nitrogen
A podcast that reviews the
Voyager Golden Record!
