Shawn Frayne, an inventor based nearby in Mountain View, just won a Popular Mechanics award for a gearless wind power generation device that works 10-30x more efficiently on small scales than micro-turbines. It harnesses harmonic oscillation of a material within a wind stream to move magnets within coils of wire thus generating electricity. In the video you can see by clicking the link below, he shows a really small demo unit that someone could probably pretty easily build themselves. Take a look.
Click to show the Video
2007-10-13
Micro Wind Power, Shawn Frayne
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