Echolocation

See:

• Animal echolocation: animals emitting sound waves and listening to the echo in order to locate objects or navigate.
• Sonar: (sound navigation and ranging) the use of sound to navigate or to locate other watercraft, usually by submarines.
• Echo sounding: listening to the echo of sound pulses to measure the distance to the bottom of the sea, a special case of Sonar.
• Medical ultrasonography: the use of ultrasound echos to look inside the body

This is a disambiguation page. If you followed a link here, you might want to go back and fix that link.