Pee Batteries.
From National Geographic Magazine"Urine is one of a number of bodily fluids rich in ions—electrically charged atoms. Researchers in Singapore leveraged this fact to produce a credit card-size battery (bottom) powered by urine. The device produces about 1.5 volts, the same as a standard AA battery, and can last for 90 minutes."
So next time, when your handphone or mp3 player runs out of battery, don't curse and swear.
Piss on it. =)
justin.
posted by justin @ 3:00 PM
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