X-59: NASA's quest to build a 'quiet' supersonic plane

X-59: NASA’s quest to build a ‘quiet’ supersonic plane

(CNN) — If you’ve heard a sonic boom recently, you probably remember it. The loud, explosion-like bang — caused by a plane flying faster than the speed of sound — can be startling, and even crack windows. Sonic booms are part of the reason why there are no supersonic passenger planes flying today, and one …

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