XB-1 supersonic aircraft smashes sound barrier without explosive boom
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 hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.
US aerospace firm wants to accept passengers by the end of 2029. But what was Concorde, its famous supersonic plane ...
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