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Neil deGrasse Tyson @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 — PolitiTweet.org
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Fri Oct 28 03:06:33 +0000 2011
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Likely AvailableNeil deGrasse Tyson @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 — PolitiTweet.org