The GravityLight was designed to replace the use of kerosene lamps in the developing world. It uses a weight to drive a gear-train and generate electricity from the kinetic energy created. Now, a new version of this safe, cheap and convenient lighting solution has been created.
.. Continue Reading GravityLight gets brighter, tougher and easier to useSection: Electronics
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from Gizmag Emerging Technology Magazine http://ift.tt/1eXW9zl
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