Boeing's hypersonic jet: For when the speed of sound is just too slow - CNET

Boeing's hypersonic jet: For when the speed of sound is just too slow - CNET

12:09 AM
It's decades away from taking off, but Boeing has unveiled a concept for an airplane that could fly at fives times the speed of sound.

from CNET News https://ift.tt/2KgpAAX
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