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Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...
Boom without the boom: Validation of quiet supersonic flight opens new uses for Greensboro-built planes
Boom Supersonic now says Overture can avoid sonic booms, potentially opening up overland flights even at Mach 1 or higher.
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NASA’s Silent Supersonic Jet Reaches Key Milestone
By August Roberts Supersonic flight has long been hindered by the disruptive sonic boom—an intense noise ... provides the thrust needed to reach supersonic speeds. Engineers evaluated its ...