The research introduces a semianalytical meshless method to evaluate and optimize the performance of sound barriers. By analyzing various shapes, such as vertical, Half-Y, and T-shaped barriers ...

image: Optimal distributions of sound-absorbing materials on the surface of the sound barriers in a frequency range (200-500 Hz). view more . Credit: International Journal of Mechanical System ...

Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...

Normally when something breaks the sound barrier, it creates a massive sonic boom heard miles away, depending on the plane’s altitude. However, NASA’s X-59 plane will try to break the barrier ...

Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental United States, reaching 750 miles per hour (Mach 1.12) near Barstow, ...

Boom Supersonic’s XB-1 prototype test plane broke the sound barrier for the first time with a top speed of Mach 1.1. Another small step toward the return of supersonic travel.

Illinois Department of Transportation officials said a noise wall isn’t being considered because the Kennedy overhaul is not ...

Traffic on I-26 makes its way past the Northwood Estates subdivision. A new study showed a sound barrier would help residents but would cost more than the state normally pays.

On Oct. 14, 1947, 75 years ago, Air Force test pilot Charles E. Yeager climbed into a Bell X-1 rocket plane and became the first human being to break the sound barrier in level flight.

A newly released image shows the sound barrier being broken on February 10 as Boom Supersonic’s XB-1, America’s first civil supersonic jet, completed its second supersonic flight.