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 * [[ | Space Elevators, Unobtainium, and Acoustic Climbers ]]  * [[ http://launchloop.com/AcousticClimber?action=AttachFile&do=view&target=ise2017.pdf | Space Elevators, Unobtainium, and Acoustic Climbers ]]

Orycon 39, Rockets and Space Drives

November 18, 2017

O39SpaceDrives (last edited 2017-11-09 22:52:37 by KeithLofstrom)