Lets say you run out of battery power on your cell phone and you are stranded on a remote island surrounded by cannibal mimes. Do you: A. Build a charger out of pineapples and coconuts. or B. Talk to yourself until the cell phone generates enough power to dial out for help?
"Scientists from Korea have turned the main ingredient of calamine lotion into a tiny material that converts sound waves into electricity. The research could lead to panels that can charge a cell phone from a conversation or provide a boost of energy to the nation's electrical grid generated by the noise during rush hour traffic." | more
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