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August 16, 2005
Urine-powered battery for cell phones
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The first urine-powered paper battery has been created in Singapore, reports New Scientist . The credit-card sized unit could be a useful power source for cheap healthcare test kits for diseases like diabetes, and could even be used in emergency situations to power a cell phone. To activate the battery, a drop of urine is added and soaks through the sandwiched filter paper . The chemicals dissolve and react to produce electricity. The magnesium layer acts as the anode, losing its electrons. And the copper chloride acts as the cathode, mopping up the electrons.[via Textually, Read Full Article Here] |
Posted by geekblue at August 16, 2005 10:41 AM