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Teach yourself to echolocate (2018)
A beginner's guide to navigating with sound.
Kish’s own experience is persuasive—he famously bikes along hilly, car-lined streets —and a growing body of scholarly researchhas begun to unpack exactly how expert echolocaters do their thing. When researchers at the University of California, Berkeley, asked novice echolocators to use tongue clicks to determine which of the two objects in front of them was larger, the newbies were soon able to do so in a way that the scientists couldn’t attribute to chance. Deft echolocators, he says, are able to perceive fine differences—distinguishing, say, between an oleander bush (“a million sharp returns”) and an evergreen (“wisps closely packed together, which sound like a bit like a sponge or a curtain”).
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