Echolocation helps kids, adults learn to 'see' with sound

Within two hours, Kish and his students were walking down Church Street, a busy restaurant arcade in the center of the city. For 14 year-old Alek Wolfe, it was the first time he could walk around unaccompanied by his mother. Though his mom wasn’t far behind, Alek walked unescorted, and the young teenager was ecstatic with what felt like independence.


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