69. The World's Cheapest Electroscope

from Science Teaching Tips · host Stephanie Chasteen

Dying to know whether something’s positively or negatively charged? TI staff educator Modesto Tamez explains an easy – and dirt cheap – way to probe the electric charge of the world.

Episode metadata supplied by the publisher feed · Published Mar 30, 2009

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69. The World's Cheapest Electroscope

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