Re:Airplanes can't get much more efficient
by callmebison on Friday October 12, 2012 @10:20AM
(#4645125)
Given current technology, airships are slow, and suck at handling high winds.
Ballistic transport would cost a lot more fuel than current methods, as you need huge amounts of energy to escape gravity.
If you are going for crazy, why not use a nuclear reactor? http://en.wikipedia.org/wiki/Convair_X-6