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It's a system of physioelectric pulse generators, mabye with quartz crystals. When there's a vibration, a weak voltage pulse is created. Combind enough of them and a usable voltage can be created.
There are some neat clothing designs out there with communications/lights/etc.. built into them and powered by generators in the shoes. All experimental now.
Initial cost, maintinance, and cost savings are factors in viability.
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Meanwhile other things are still happening.
Last edited by john70t; 10-17-2006 at 08:56 AM..
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