Old 09-29-11 | 01:54 PM
  #4  
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Andy_K
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Joined: Jan 2008
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From: Beaverton, OR

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When I was in college a guy I knew put together a contraption to hook the rear hub of a bike to an alternator which in turn was wired to a light socket. If you pedalled really hard you could you could get the bulb to light up.
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