News tagged with sonar

Ultrasound technology made to measure

The range of uses for ultrasound is gigantic; the applied technologies are just as diverse. Researchers are now covering a wide range of applications with a new modular system: From sonar systems to medical ...

Jan 06, 2015
5 / 5 (1) 0

Whales hear us more than we realize

Killer whales and other marine mammals likely hear sonar signals more than we've known. That's because commercially available sonar systems, which are designed to create signals beyond the range of hearing ...

May 01, 2014
5 / 5 (2) 0

Dolphins inspire rescue radar device

British engineers said Wednesday they had taken inspiration from dolphins for a new type of radar device that could easily track miners trapped underground or skiers buried in an avalanche.

Oct 22, 2013
5 / 5 (4) 0

Military sonar can alter blue whale behavior

Some blue whales off the coast of California change their behavior when exposed to the sort of underwater sounds used during U.S. military exercises. The whales may alter diving behavior or temporarily avoid ...

Jul 03, 2013
4.2 / 5 (6) 2