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Piezoelectricity is the accumulation of a charge in a solid in response to mechanical stress. Deform the piezoelectric material and electric charge results. This is increasingly important as a source of power for embedded prosthetic devices and for wearable electronics. As the most intimate and most successful sensory interfaces have to be tied directly into the peripheral or central nervous system, piezoelectricity is the most promising means of powering such interfaces long-term.

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Piezo Phototronics



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An experimental device converted energy from a beating heart to provide enough electricity to power a pacemaker External link, in a study presented at the American Heart Associationís Scientific Sessions 2012.

The findings s...

This Tuesday at the Materials Research Society spring meeting in San Francisco, Zhong Lin Wang, director of the center for nanostructure characterization at Georgia Tech discussed recent breakthroughs in self-powered nanotechnology, along w...

Imagine charging your body area network devices as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's La...

The hand-held scanners, or tricorders, of the Star Trek movies and television series are one step closer to reality now that a University of Missouri engineering team has invented a compact source of X-rays and other forms of radiation. The...