ScienceDaily: Energy Technology News

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Less is more in piezoelectric energy harvesting: Piezoelectric materials convert electrical energy into strain, or vice versa Posted: 02 Mar 2012 07:18 AM PST Piezoelectric materials convert electrical energy into strain, or vice versa. These materials are used to harvest energy from everyday mechanical vibrations -- such as an air conditioning unit rattling, or a footbridge vibrating as pedestrians walk across it.

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