This isn't a new concept here. The video is rather long-winded, and probably AI generated. Better late than never.
Don't wish to be overly critical here. I like the concept but it isn't new, for cripes sake.
2/23/17:
Quote:
A large amount of money is being made available by the US DoD for testing the precooler in a hypersonic wind tunnel.
But the plane remains on the backburner. Strange when the concept seems sound.
More Skylon news here.