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Make a Self-Powered Holiday Light - Popular Science Build It

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Published by Admin in Popular Science
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Use some pennies, lemon juice, cardboard, and a bit of ingenuity to make a battery that can power a light-emitting diode for weeks! Aka: cheap, self-powered holiday lighting.

A big hat-tip goes to Grant "The King of Random" Thompson for inspiring this project: http://www.youtube.com/watch?v=rIdPfDHeROI

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