Global circumnavigation by solar aircraft

Created by gwern on 2011-05-26; known on 2015-01-01; judged wrong by kuudes on 2015-01-01.

• gwern estimated 70% on 2011-05-26
• gwern said “http://www.futuretimeline.net/21stcentury/2014.htm#solar-aircraft” on 2011-05-26
• JoshuaZ estimated 55% on 2011-05-28
• faul_sname estimated 80% and said “Nothing outside our current capabilities, even at relatively low budget.” on 2011-07-01
• kuudes   judged this prediction wrong on 2015-01-01.