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Lamp Lit by Gravity, Lasts 200 Years [Pic]
Some Virginia Tech student (absolute genius) invented this energy saving, gravity powered lamp that can supposed last around 200 years emitting approximately 600-800 lumens. read more | digg story … more →
Thunk Different.
Lamp Lit by Gravity, Lasts 200 Years [Pic]
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Web Media wrote 1 year ago: Some Virginia Tech student (absolute genius) invented this energy saving, gravity powered lamp that … more →
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