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1. Joshua Judson Rosen (rozzin)'s status on Monday, 17-Jun-2013 20:59:57 EDT Joshua Judson Rosen

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   Walter #Lewin explains the supercriticality of #bad-teachers: http://www.youtube.com/embed/sF-m3XZKvLI?start=174&end=195
   • Joshua Judson Rosen (rozzin)'s status on Monday, 17-Jun-2013 21:08:26 EDT Joshua Judson Rosen

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     ("supercriticality" being a term I've stolen from nuclear physics; i.e.: #bad-teachers are like unfixed stray cats—they *multiply*...)