Powering An Led Light Using The Force of Gravity

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powered by gravity.jpg

It wasn't long ago that one of the coolest sources of power in a home was that which powered a grandfather clock!  The clock didn't take much power to run, so by the simple "winding" of the weights, you could leave it running for long periods of time while away, and come back to set it to running again.  It is awesome that LED lighting has become so energy efficient that once again something as simple as the force of gravity can generate the power necessary to produce light.  Check out the cool contraption this fellow made to do just that:


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