Thermoelectric cooling: it's not great.
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Personal "air conditioners" aren't what they seem
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This TV gadget censors bad words with 1980's tech
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How Many Marbles Does it Take to Charge My Phone?
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I bought a freeze dryer so you don't have to
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The Physics That Doomed Amelia Earhart
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New divisibility rule! (30,000 of them)
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The secret economics of Google Street View
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