How I use sonar to navigate the world
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Subject: I'm blind. Here's how I see the world...
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March 31, 2015
Today’s TED Talk
Daniel Kish: How I use sonar to navigate the world
13:03 minutes · TED2015
Daniel Kish has been blind since he was 13 months
old, but has learned to “see” using a form of echolocation. He clicks his
tongue and sends out flashes of sound that bounce off surfaces in the
environment and return to him, helping him to construct an understanding of the
space around him. In a rousing talk, Kish demonstrates how this works and asks
us to let go of our fear of the “dark unknown.”
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