the XB-1 was able to show off a phenomenon Boom is calling the "Boomless Cruise," which enables supersonic travel over land without an audible sonic boom. In total, XB-1 broke the sound barrier ...

The International Civil Aviation Organization aligned on a recommended new standard for supersonic aircraft landing and takeoff noise that takes into account advanced noise reduction procedures.

The Ohio Department of Transportation is replacing a wooden sound barrier along I-75 in Perrysburg with concrete after a high ...

He helped design the X-1, which was the first airplane to break the sound barrier. Slick Goodlin was a test pilot for Bell Laboratories and made numerous flights in the X-1 before it was ...

NOVA spoke with him on the eve of the 50th anniversary of the breaking of the sound barrier. NOVA: How early on did the Americans get involved in pursuing high-speed flight? HALLION: The American ...

A properly constructed sound barrier would provide much-needed relief ... Coker also noted that land use trends in Connecticut “have been changing over the last few decades and we are seeing ...

But that’s the case with Penn­DOT’s Highland Park Interchange Project for which locally based, award-winning artist Brian Peters designed unique sound barrier walls. The wavy design is ...