Echolocation

Echolocation is an ability of humans to detect objects in their environment by sensing echoes from those objects. By actively creating sounds – for example, by tapping their canes, lightly stomping their foot or making clicking noises with their mouths – people trained to orientate with echolocation can interpret the sound waves reflected by nearby objects, accurately identifying their location and size. This ability is used by some blind people for acoustic wayfinding, or navigating within their environment using auditory rather than visual cues.

Daniel Kish from America is a pioneer in the field of Echolocation. He has been blind since birth but as he had perfected the technique of echolocation it has helped him maintain a full and active life including a variety of extreme type sports. His ability to use reflected sound waves to build a mental picture of his surroundings means that he can navigate around many environments successfully.

There are many children across the world who have been taught this technique and use it to aid independent mobility.

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