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An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test f ...

About 35,000 feet (10,670 meters) over the Mojave Desert, northwest of Los Angeles, Boom Supersonic's XB-1 became the first ...

Boom is convinced it can overcome the barriers that grounded the Concorde and make supersonic travel affordable and greener.

The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and ...

The Boom Supersonic attempt to achieve supersonic flight at Mach 1.1 is scheduled for 9:45 a.m. Monday, weather permitting. Breaking the sound barrier occurs at 761 mph.

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Construction output estimates are monthly estimates of the ... decreased activity at Christmas because of site shutdowns) from the non-seasonally adjusted estimates. This release contains revisions ...

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So while XB-1 didn't break the Sound Barrier, it came very close, and parts of the aircraft were subjected to the conditions they will experience flying at Mach 1.1. XB-1 will also likely hit that ...