When traveling near the speed of sound, the plane came up against a "sound barrier"—as though the velocity of sound represented a wall through which a plane could not move. With technological ...

(CNN) — Now here’s one for the mantelpiece. A newly released image shows the sound barrier being broken on February 10 as America’s first civil supersonic jet completed its second flight at ...

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 ...

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 ...

A newly released image shows the sound barrier being broken on February 10 as America’s first civil supersonic jet completed its second flight at speeds exceeding Mach 1. NASA teams on the ...