sound locator

Evolution of genes in bat ears
New research conducted by the University of Bristol shows that echolocation can evolve more than once in bats.
Aviation reconnaissance before the radar was born
Before radar, how do people detect the appearance of aircraft in the sky, in addition to observing with the naked eye?
Before the radar, how did people detect planes?
Today, it is easier to detect the movement of aircraft thanks to the help of radar systems. However, before the radar technology, how do people detect the movement of aircraft?
Blind people have the ability to locate by sound
Although he was completely unable to see, a man in the US still rode his bicycle and climbed the mountain thanks to the ability to locate by sound like bats and dolphins.