Supersonic commercial travel once existed but was decommissioned due to loudness. Why is breaking the sound barrier so loud?
NASA Centers Team Up to Tackle Sonic Boom
“Since the Concorde’s final landing at London’s Heathrow Airport nearly a decade ago, commercial supersonic air travel has been as elusive as a piece of lost luggage. However, this hasn’t stopped NASA from continuing the quest to develop solutions that will help get supersonic passenger travel off the ground once more.”
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