Friday, 28 July 2017

A Quiet Concorde? NASA to Spend $390 Million to Test a Quiet Supersonic Plane by 2022 - NASA's design would slash the current 7hr flight time from New York to London in half and do it while reducing the sonic boom to a quiet sonic hum

http://ift.tt/2eUeAue

by Mikhail-Bakunin http://ift.tt/2h9PlVj

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