How exactly? Purely on a tech basis? Because it's not solving a real problem anyone has. Some millionaire who wants to go from NYC to LA a couple hours faster is not a problem worth solving. And certainly not when it's less efficient, and inconveniences everyone in the flight path with a very loud noise.
How exactly? Purely on a tech basis? Because it's not solving a real problem anyone has. Some millionaire who wants to go from NYC to LA a couple hours faster is not a problem worth solving. And certainly not when it's less efficient, and inconveniences everyone in the flight path with a very loud noise.