The no-fly-zone protects Mar-a-Lago even when President Trump is away, and sends jets over neighborhoods, dropping soot and ...
If the technology proves capable, it could open the door for commercial supersonic flights without worrying about shattering car windows or other nuisances brought on by the loud sonic booms ... but ...
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NASA tested a supersonic quiet jet, taking a step closer to changing flight travel forever
Photo: NASA The last week of October, NASA successfully tested its first quiet supersonic jet in a short, low-speed flight ...
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