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Perpetual Motion Machines

  1. Mar 3, 2010 #1
    Does any one have explanation for these videos?

    << video links removed by berkeman >>
    Last edited by a moderator: Mar 3, 2010
  2. jcsd
  3. Mar 3, 2010 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Last edited by a moderator: Apr 24, 2017
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