Clay Moulton - Core77's Greener Gadgets Design Competition 2008Gravia is an LED-lit floorlamp energized by people. To light Gravia, the user places a mass approximately 48" above the ground, that, in falling, powers a mechanism, generating electricity. Gravia harnesses the potential energy imparted by the user, rather than relying on any existing electrical infrastructure. The design goal of Gravia is to provide light in a room (600-800 lumens—roughly equa
http://www.technobahn.com/cgi-bin/news/read2?f=200802210255
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