I’ve always wondered how anyone can think they know what an accent from before Edison would have sounded like. How do we know that Romans would have spoken the Latin of the modern Church?
[Update a few minutes later]
That second video on the how Shakespeare would have been performed in the day is quite interesting.
I agree. The problem isn’t a shortage of workers in that field. But innumeracy and scientific illiteracy is a big problem in our society, particularly among the voters. And that includes the illiteracy of those who mindlessly accept a lot of bogus nutrition and climate “science.”
“There are three barriers particular to civil supersonic flight; sonic boom, high altitude emissions and airport noise. Of the three, boom is the most significant problem,” said Peter Coen, manager of NASA’s High Speed Project with the agency’s Aeronautics Research Mission Directorate’s Fundamental Aeronautics Program.
There’s a fourth barrier not mentioned: the low L/D, which restricts range and makes for high fuel costs. If that problem doesn’t get solved, it will never become a huge market, and will mostly be restricted to business jets.