Friday, March 26, 2010
grinding.be � Blog Archive � Mini Generators Make Energy From Random Ambient Vibrations
grinding.be � Blog Archive � Mini Generators Make Energy From Random Ambient Vibrations: "Researchers at the University of Michigan have developed tiny generators that can produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker or wireless sensor. In humans, these vibrations could come from moving muscles or limbs. The generators have demonstrated that they can produce up to 500 microwatts from typical vibration amplitudes found on the human body. That’s more than enough energy to run a wristwatch, which needs between 1 and 10 microwatts, or a pacemaker, which needs between 10 and 50."
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