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John Pearce

Deciwatt | GravityLight - 0 views

deciwatt.org

light gravity lighting

shared by John Pearce on 13 Apr 14 - No Cached
  • John Pearce on 13 Apr 14
     
    "GravityLight™ is an innovative device that generates light from gravity. It takes only 3 seconds to lift the weight that powers GravityLight creating 25 minutes of light on its descent.  "
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