Gravity powered light gives same lumens as 40 watt incandescent bulb


image A student created a lamp that uses gravity to generate enough power to light multiple LEDs to give off the same lumens as a standard incandescent bulb for four hours. cool stuff!

http://www.vtnews.vt.edu/story.php?relyear=2008&itemno=111

4 thoughts on “Gravity powered light gives same lumens as 40 watt incandescent bulb

  1. Is there a pointer to info about this? I assume one turns the unit over creating potential energy, and gravity moves an element to generate the power – until it reaches “bottom”.

  2. Pingback: Gearfire.com » Blog Archive » Gravity powered light gives same lumens as 40 watt incandescent bulb

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