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 ...
IFLScience on MSN7d
NASA Image Shows XB-1 Jet Break The Sound Barrier Without Producing Audible Sonic Boom
Boom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have ...
Space.com28d
Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
None of the three sonic booms generated by the XB-1 on Monday were audible from the ground, which helps to explain why Boom is so confident that supersonic passenger flight can come back.