Wednesday, January 24, 2007

Potato-Powered MP3 Player


“Kipkay” shows us another way to power your MP3 player. Basically, the potatoes provide phosphoric acid, which enables a chemical reaction causing electrons flow from copper to zinc — each potato generates 0.5 volts and 0.2 milliamperes. Video after the jump.



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1 comment:

bingbing said...

cool