Boom Supersonic sans Sonic boom

Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
Boom will now shift its attentions toward developing Overture, its supersonic passenger jet.
Boom! A fast and loud breakthrough: A supersonic jet breaks the sound barrier
Boom Supersonic’s XB-1 has broken the sound barrier, paving the way for faster commercial flights if future tests succeed.
Boom Supersonic breaks sound barrier without 'audible boom'
A Colorado-based company said it broke the sound barrier three times without generating a sonic boom that reached the ground.
Boom Supersonic sans the sonic boom: The XB-1's quiet Mach 1 flight
If you've been keeping tabs on aviation news as of late, you saw that Boom Supersonic just recently broke the sound barrier with its XB-1 demonstrator aircraft. Oddly enough, no one on the ground heard a thing during its "boomless" cruise.
How Did The XB-1 Jet Break The Sound Barrier Without Producing An Audible Sonic Boom?
Boom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have successfully tested their XB-1 jet. According to the company, the jet was able to fly without producing a sonic boom that was audible from the ground.
Watch: Boom Supersonic jet breaks sound barrier without sonic booms in final test
Boom CEO Blake Scholl confirmed that on January 28, the XB-1 successfully broke the sound barrier three times without creating an audible sonic boom. “We broke the sound barrier
Boom Supersonic says XB-1 aircraft flew over Mach 1 with no audible sonic boom on the ground below
Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO ...
Supersonic jets are making a comeback. Here’s what that means for air passengers
American company Boom Supersonic just broke the sound barrier with a civilian plane. What exactly is supersonic travel, and ...
'Baby Boom' – the jet that could bring back supersonic travel
The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...
MIT Technology Review7d
Supersonic planes are inching toward takeoff. That could be a problem.
Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...
Live: Boom Supersonic to embark on second supersonic flight Monday, announces ‘Boomless Cruise’
Boom Supersonic will break the sound barrier again Monday, after a successful flight last month. On Feb. 10, Boom Supersonic ...