A Plane Just Achieved Supersonic Flight Without the Sonic Boom
But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the next phase is making it economically feasible. Right now, both subsonic and ...
IFLScience on MSN24d
NASA Image Shows XB-1 Jet Break The Sound Barrier Without Producing Audible Sonic Boom
NASA has released a new image showing the moment Boom Supersonic's XB-1 jet broke the sound barrier without producing an ...
Hosted on MSN1mon
How the XB-1 aircraft went supersonic without a sonic boom
When the experimental XB-1 aircraft broke the sound barrier three times during its first supersonic flight on 28 January, it did not produce a sonic boom audible from the ground, according to US ...