Boom Supersonic sans Sonic boom

The Quiet Concorde - Supersonic Spike S-512 - No Sonic Boom, No Problem!
One of the biggest problems facing supersonic aircraft today is the sonic boom issue. Once an airplane goes fast enough, the noise of breaking the sound barrier at best is annoying but, at worse, causes damage on 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.
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 Blake Scholl hopes supersonic passenger flight will eventually be allowed in the U.
How the XB-1 aircraft went supersonic without a sonic boom
When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – thanks to a physics phenomenon called the Mach cutoff
Boom's XB-1 goes supersonic
Boom Supersonic's demonstrator, the XB-1, achieved a major milestone by breaking the sound barrier. Having achieved supersonic flight marks an important milestone toward the company's larger commercial airliner,
Sonic boom breakthrough for planemaker trying to build the next Concorde gets Elon Musk's backing
Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.
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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.
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 ...
The Associated Press - Business News on MSN13d
Independently funded jet’s sound barrier mark revives talk of commercial supersonic travel
The Concorde jet, which was grounded in 2003, was the only supersonic commercial airliner that ever flew, and had its ...