Bootstrap Business explains how much noise a sound barrier can really block. What to know about barriers blocking sounds on ...

NASA has released a new image showing the moment Boom Supersonic's XB-1 jet broke the sound barrier without producing an audible sonic boom. Boom Supersonic, the company aiming to create commercial ...

Written with all of the fierce intelligence and passion for truth that millions have come to expect from Amy Goodman’s reportage, Breaking the Sound Barrier is, in Arianna Huffington’s words ...

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 ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by ...