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Dec 4, 2013 at 16:21 history tweeted twitter.com/#!/StackPhysics/status/408269826977972224
Dec 4, 2013 at 16:20 vote accept aaazalea
Dec 4, 2013 at 16:10 answer added Alan Rominger timeline score: 1
Dec 4, 2013 at 15:32 comment added gregsan you made a simple mistake calculating cross section of the earth as piD². should be pir². this error accounts for exactly 4x.
Dec 4, 2013 at 15:24 answer added maynak timeline score: 2
Dec 4, 2013 at 15:22 review First posts
Dec 4, 2013 at 15:23
Dec 4, 2013 at 15:20 answer added Olin Lathrop timeline score: 0
Dec 4, 2013 at 15:09 history edited Qmechanic CC BY-SA 3.0
It seems the homework tag applies even if it is not actual homework
Dec 4, 2013 at 15:06 history asked aaazalea CC BY-SA 3.0