Supersonic air travel is great if you want to get somewhere quickly. Indeed, the Concorde could rush you from New York to London in less than three and a half hours, over twice as fast as a ...
Why it matters: Supersonic flight has existed for nearly 80 years, but remains banned over land due to the deafening sonic booms produced when aircraft exceed Mach 1 (767 mph). NASA and Lockheed ...
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