But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the next phase is making it economically feasible. Right now, both subsonic and ...

"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Anyone who has experienced a sonic boom for themselves knows just how startling the ...

NASA has released a new image showing the moment Boom Supersonic's XB-1 jet broke the sound barrier without producing an ...

The noise heard and felt throughout southern Delaware and as far away as Cape May, New Jersey, on Monday was indeed a sonic boom. After saying Monday that Naval Air Station Patuxent River aircraft ...

Even more fascinating, Boom Supersonic said the XB-1 didn’t make a loud sonic boom. Turns out, under certain conditions, the sound waves refract in the atmosphere and never hit the ground.

James is a published author with four pop-history and science books to his name ... the jet was able to fly without producing a sonic boom that was audible from the ground. During the first ...