Instructables: exploring - video - technology - science Sat, 30 Apr 2016 21:51:00 PDT BLOX v1.01 How to Build a Wind Power Generator doctorgig Harvesting the wind for energy is not a new concept.  The origins of using the  winds to to produce mechanical energy are lost in the mists of time . Mankind was using wind power to move his ships and grind his grain at least a couple thousand years ago. With the advent of electricity it was only na...
By: doctorgig

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Fri, 27 Nov 2009 09:35:15 PST
Air Cannon Fun rock climber I researched and built my first air cannon this summer. Here are some of the things I shot out of it.
By: rock climber

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Sun, 19 Oct 2008 08:54:02 PDT