Researchers have developed a device that reflects sound in the direction it came from, rather than deflecting it at an angle. The "retroreflector" can reflect sound across an operating range of 70 ...

There may be new hope for people with noisy neighbors. Scientists at MIT have developed a method of using thin sheets of fabric to either cancel or block sound – in the latter case, the racket even ...

RALEIGH – Researchers at N.C. State have developed a device that reflects sound in the direction it came from, rather than deflecting it at an angle. The “retroreflector” can reflect sound across an ...