just a sec - Lazarius: RT @neiltyson: Just an FYI: It takes twice as much energy to throw a baseball 100mph than it does to throw one at 70mph. Do The Physics

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Lazarius: RT @neiltyson: Just an FYI: It takes twice as much energy to throw a baseball 100mph than it does to throw one at 70mph. Do The Physics

Notes

4:35 pm, by hwan, ∞

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