Volta's Hailstrom Reviews
The tiny balls inside our transparent cage bounce wildly near a Van de Graaff generator due to the electrostatic charge. They can also demonstrate Coulomb's Law and illustrate a method of smoke control. The device consists of a ball terminal to attract electric charge, generous supply of tiny polystyrene balls, transparent cage on a sturdy base and instructions.
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Aug 16, 2011 07:11:03
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