Just once in my lifetime I'd like to see a really exponential aerospace breakthrough.
Maybe this will be it.
Fifty years old; so just maybe I might get to ride on a Sabre powered hypersonic airliner in my 80s.
Or even less ambitious, perhaps a seat in cattle class on a blended wing body powered by some 200,000lb turbofan that uses less fuel than a VW Golf (I'm joking...)
A battery with energy density exceeding that of Jet A1?
Saw the rise of the Internet, the evolution of mobile phones, GPS... here's hoping...