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 ...

NOVA: The obstacles to breaking the sound barrier were the aircraft ... and for achieving military effects quickly, nothing beats supersonic speed. Indeed the tendency ultimately within the ...

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

This effect is achieved by breaking the sound barrier at a high enough altitude ... is significant because it means they can fly at the speed of sound over land. "This is the kind of thing ...

which demonstrates the moment of breaking the sound barrier. To capture the iconic moment, the teams used Schlieren photography — a method that allowed visualization of shock waves that occurred when ...