NASA’s silent X-59 jet can break sound barrier with almost no noise, take passengers from NYC to London in 3½ hours

NASA’s sleek and quiet supersonic jet — which is built to reach speeds of up to 925 mph without producing a loud sonic boom— ...
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Watch Boom supersonic jet break sound barrier on path to speed up commercial flights

American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...