Editing Echolocation (section)

==Navigation using sound==
* [[Acoustic location]], the general use of sound to locate objects.
** [[Animal echolocation]], non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate.
** [[Human echolocation]], the use of sound by people to navigate.
** [[Sonar]] ('''so'''und '''n'''avigation '''a'''nd '''r'''anging), the use of sound on water or underwater, 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 echoes to look inside the body.