Scientists work to create nanogenerator

U.S. scientists are developing a nanogenerator -- a tiny device that produces electricity from flowing blood, pulsating blood vessels, or a beating heart.

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<p><a href="http://www.physorg.com/news104084433.html">Scientists work to create nanogenerator</a></p> <p>U.S. scientists are developing a nanogenerator -- a tiny device that produces electricity from flowing blood, pulsating blood vessels, or a beating heart.</p>