alt Hacker NewsLike which ones? Bear in mind that despite carefully worded PR, Boom has very much not somehow surmounted the laws of physics to eliminate the sonic boom that caused the Mach 2+ Concorde to be banned from going supersonic over land.
Like which ones? Bear in mind that despite carefully worded PR, Boom has very much not somehow surmounted the laws of physics to eliminate the sonic boom that caused the Mach 2+ Concorde to be banned from going supersonic over land.
NASA seems to think it's possible though. https://ntrs.nasa.gov/api/citations/20160007348/downloads/20...