What NASA Has Just Demonstrated Is Unprecedented in Aviation History: It Crosses the Sound Barrier without Stampede

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An airplane designed to cross the sound barrier without generating the usual sonic stampede: this is the feat achieved by the NASA X-59. On June 5, 2026, it managed to overcome for the first time the supersonic speed, a key advance within the Quest program. Unlike conventional aircraft, which produce strong sonic explosions, the X-59 is designed to emit only a slight deaf blow; this advance could open the door to the supersonic flight over inhab…