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Jun 15, 2017 at 0:45 answer added HopDavid timeline score: 3
Oct 4, 2014 at 7:18 history protected Qmechanic
Nov 11, 2013 at 17:01 answer added Alan Rominger timeline score: 9
Aug 7, 2012 at 12:51 vote accept mring
Aug 6, 2012 at 20:50 answer added lurscher timeline score: 0
Aug 6, 2012 at 20:19 answer added Martin timeline score: 9
Aug 6, 2012 at 12:44 comment added Qmechanic More on space elevators: physics.stackexchange.com/q/15052/2451
Aug 6, 2012 at 12:34 history asked mring CC BY-SA 3.0