Boom Supersonic's XB-1 breaks sound barrier 3 times during final test flight
In January, the aircraft successfully broke the sound barrier for the first time, reaching speeds exceeding Mach 1 at an ...
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Boston hit with major earthquake with locals fearing 'sonic boom'
Boston residents felt the world around them tremor this morning as locals felt for a moment as though the US city was under attack, such was the surprising nature of the event ...