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  • Michael Jones

Michael Jones

7 months ago

in 7 Offbeat Off-the-Grid Green Gadgets, Inventions, and Innovations on Ecoble
The Gravia Floor Lamp has actually been proven to be a physical impossibility. The device would only have an amount of energy dependent on the mass of the weight, and the height, most of it lost to friction. LED's arn't efficient enough to make that practical, and even then the amount of energy wouldn't really do much anyway.
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