Egyptian fruit bat their days roosting in trees or caves, often with large groups of other bats, sometimes numbering in the thousands. They emerge from the roost to forage for food in the late evening, and return just before dawn. They hang upside down, with their wings folded closely around their bodies. Egyptian fruit bats, along with other species in the genus "Rousettus", are the only megachiropterid bats to use echolocation, which they accomplish by emitting a series of sharp clicks with their tongues. The clicks are normally slow and constant, but these clicks speed up dramatically when the bats approach an object.
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,