DIALOG:AWARENESS

Clicking blind man uses flicks of his tongue to see

Daniel KishOne blind man isn’t missing out on the view – instead, he’s using his ears to see, in a process he says is identical to the one bats use.

Daniel Kish, founder of nonprofit World Access for the Blind, practices echolocation, a technique based on “clicking” – actual flicks of the tongue that propel sound waves to be reflected off of surrounding objects. Kish listens to the sounds bounce off whatever happens to be nearby, and can then detect what the objects are, turning the auditory clues into an image in his brain.

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