| http://www.w3.org/ns/prov#value | - I just learned that echolocation can be developed in humans (i.e. people) to such a great extent that blind people can learn to "see objects from the way that they reflect sound.here is an article that describes the matter in scientific detail, and here is an interview with Brian Bushway that describes how it works for him.After listening to the Bushway interview on my walk today (through an electr
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