Boom Supersonic sans Sonic boom
Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.
4d
New Scientist on MSNHow the XB-1 aircraft went supersonic without a sonic boomWhen the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – ...
Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...
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