It was the most difficult thing at the time; the sound barrier was that speed of 300 kilometers. Dunlop shaved the tires so they had less centrifugal force with the profile.

Boom Supersonic CEO Blake Scholl wants to bring back flights that break the sound barrier. Now he just needs to figure out whether airlines and travelers will buy in.

Technology Aerospace NASA's X-59 jet takes 'flight' without leaving the ground | Space photo of the day for May 20, 2025 ...