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 ...

Wingtips of certain species of silkmoth are structured to reflect sound and throw off attackers, according to a new study. Researchers at the University of Bristol have discovered that the tips of ...

Sept. 9 (UPI) --The uniquely shaped wingtips of some silk moths reflect sound waves, helping the insects avoid the jaws of hungry bats. Bats are nocturnal hunters, and though they can see pretty well ...

Scientists have designed bacteria to reflect sound waves like submarines. The technology could eventually allow doctors to image therapeutic bacteria in the body using ultrasound. In the 1966 science ...