NASA moves ahead with plans to build a quiet supersonic jet
 

NASA's dreams of a quiet supersonic jet are one step closer to fruition. The agency tells Bloomberg that it'll start taking bids to build a larger (94-foot) real-world demo version of the aircraft that it tunnel-tested in June, and we now have a cle...

https://www.engadget.com/2017/07/24/...upersonic-jet/