Boom Supersonic sans Sonic boom

American firm Boom Supersonic’s XB-1 has once again reached supersonic speeds without producing an audible boom, following ...
More than 20 years since the final Concorde flight, is a small US start-up now on course to bring back supersonic air travel?
Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...
If you've been keeping tabs on aviation news as of late, you saw that Boom Supersonic just recently broke the sound barrier ...
Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.
Capital expenditures among retailers are projected to reach $55 billion, marking an average of around 7% year-on-year growth ...