sonar

Chinese scientists think that the sound from ships may have contributed to the demise of the Yangtze's baiji river dolphins, which used sonar to communicate.

Waymo vehicles are built with a type of laser radar called lidar, as well as cameras, sonar and GPS.

Over the ensuing weeks, the California Office of Emergency Services joined the search along with the Sheriff’s Office, who used aircraft, underwater cameras and sonar technology to search for Calasanz’s body.

Divers scoured the water and deployed sonar scanners to search for Daniel until nightfall.

A typical task would be to drop sonar buoys in the sea, used to listen for submarines.