[bambax]

I don't know, but it's certainly the first question every investor asked, so we can assume they have (or at least had) a pretty good answer, no?

[namirez]

I know some people involved in Boom. They simply have no understanding of the physical limitations of supersonic flight. Surprise, they’re all software engineers.

[ulfw]

And supersonic flight is really a hardware / physics / materials science problem than a software one. (again: see Concorde)