If you've been keeping tabs on aviation news as of late, you saw that Boom Supersonic just recently broke the sound barrier ...
New Scientist on MSN1d
How 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 – ...
2don MSN
Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO ...
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