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Sound Turned Into Energy: New Technology Allows Cell Phones To Be Powered By Conversation

11/14/2010 05:12 am ET | Updated May 25, 2011

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.

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