lee1 writes "The latest development in the field of 'energy harvesting', which includes such
opportunistic technology as self-winding watches, generators implanted in
soldier's boots, and knee brace dynamos, is a cloth that generates electrical
power and may be able to harness body movement to charge iPods and other gadgets.
The cloth, which can produce up to 80 milliwatts per
square metre, is made from
brush-like fibres composed of a Kevlar stalk surrounded by zinc
oxide nanowire crystals that generate electricity through the piezoelectric effect.
They can be grown on any substrate, including hair." Link to Original Source
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