Via wsj.com
Supersonic Travel May Return by 2023
The last Concorde may have completed travel in 2003 but that doesn’t mean supersonic travel came to an end entirely. Three aviation start-ups are hoping to bring Mach speed back by 2023—and …
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The last Concorde may have completed travel in 2003 but that doesn’t mean supersonic travel came to an end entirely. Three aviation start-ups are hoping to bring Mach speed back by 2023—and …