
Could NASA bring back faster-than-sound travel?
Concorde flew from London to New York in three and a half hours. It soared at nearly twice the speed of sound, leaving an almighty sonic boom in its wake. The noise restricted where it could fly, but now NASA hopes it can resurrect faster-than-sound travel, with quiet supersonic flight.
https://www.sciencefocus.com/future-technology/in-pictures-x-59-quesst/