Hence the "if". I certainly hope they will be feasible, but the fact that an alternative may be possible, contingent on the potential creation of currently nonextant materials, is absolutely not a reason to discourage development of supersonic aircraft.
Re:Concorde ‘B’
by FiveDegrees on Tuesday May 08, 2018 @07:57PM
(#17026397)
That Asimov quote is actually pretty damned close to reality. Why is that exchange, of all things, sitting beside Neville "Peace for our times" Chamberlain?
More fun facts: https://en.wikiquote.org/wiki/Incorrect_predictions