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Researchers harness engineered viruses to produce electrical energy

posted onMay 16, 2012
by l33tdawg

Researchers from the US Department of Energy's Lawrence Berkeley National Laboratory have found a way to generate power using harmless viruses that convert mechanical energy into electricity. 

The scientists tested their approach by creating a generator that produces enough current to operate a small liquid crystal display. It works by tapping a finger on a postage stamp sized electrode coated with specially engineered viruses. The viruses convert the force of the tap into an electric charge. 

The generator is said to be the first to produce electricity by harnessing the piezoelectric properties of a biological material. Piezoelectricity is the accumulation of a charge in a solid in response to mechanical stress.  The researchers believe the milestone could lead to tiny devices that harvest electrical energy from the vibrations of everyday tasks such as shutting a door or climbing stairs. 

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