Elon Musk's Hyperloop will consist of vehicles travelling in a tunnel or enclosed tube

Created by phreeza on 2013-07-16; known on 2013-08-13; judged right by phreeza on 2013-08-12.

• phreeza estimated 20% on 2013-07-16
• phreeza said “He said it is not an evacuated tube but still might be some form of tunnel, perhaps with a travelling wave instead of full vacuum.” on 2013-07-16
• Malcolm Ocean estimated 60% on 2013-07-22
• mfb estimated 60% on 2013-08-03
• phreeza   judged this prediction right on 2013-08-12.
• phreeza said “http://www.spacex.com/sites/spacex/files/hyperloop_alpha-20130812.pdf” on 2013-08-12