Animal echolocation in the external ear. There are two hypotheses about the evolution of echolocation in bats. The first suggests that laryngeal echolocation evolved twice in Chiroptera, once in the Yangochiroptera and once in the horseshoe bats (Rhinolophidae). The second proposes that laryngeal echolocation had a single origin in Chiroptera, was subsequently lost in the family Pteropodidae (all megabats), and later evolved as a system of tongue-clicking in the genus "Rousettus". Individual bat species echolocate within specific frequency ranges that suit their environment and prey types. This has sometimes been used by researchers to identify bats flying in an area simply by
Human echolocation role of a blind woman who must use echolocation to navigate the environment. In Naughty Dog's 2013 PlayStation 3 game, "The Last of Us", infected people called "clickers" use echolocation. In the 2012 movie "Imagine", the main character teaches echolocation to students at clinic for the visually impaired. This unconventional method spurs a controversy but helps students explore the world. Matthew Murdock is a defense attorney by day and a crime-fighting vigilante by night, going by the name "Daredevil", from Marvel Comics. He was involved in an accident as a child where his eyes came in contact with radioactive chemicals,