Food gets its energy from the Sun, so we may as well just call this device solar... | Hacker News

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DanBC on Dec 22, 2012 | parent | context | favorite | on: A $5 Lamp Powered Solely by Gravity

Food gets its energy from the Sun, so we may as well just call this device solar powered?

jconnop on Dec 22, 2012 [–]

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