The theory behind it is acoustic location, which is a specialized type echolocation. The most common example of echolocation is in Bats, who emit ultrasonic noise and listen for its return (echo ...

Most of us associate echolocation with bats. These amazing creatures are able to chirp at frequencies beyond the limit of our hearing, and they use the reflected sound to map the world around them.

Kadambari Deshpande and Vedant Barje have developed BatEchoMon, India's first automated bat monitoring system that is poised to revolutionise bat research in the country and worldwide.

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Ruben Graham-Morris, a blind eight-year-old boy, has mastered echolocation to get around on his own. Ruben was born with Leber's congenital amaurosis, a genetic disease that left him blind from birth.