Remember the American Space Program ?
Very large sums of public tax money have been ploughed into the National Aeronautics and Space Administration over the years, peaking in 1966 :-
https://en.wikipedia.org/wiki/NASA_Budget
OK, it gave us the Moon landings and Teflon (TM), but just recently, I don’t see much in terms of really, really new things.
What’s happened to the innovation ?