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Humans Can Learn to 'Echolocate' in Just 10 Weeks, Experiment Shows
Most humans can learn how to echolocate, using their tongue to make clicking sounds and interpreting the echoes that come back, reflected from the surrounding environment. Despite how useful this skill can be, very few blind people are currently taught how to do it.
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Some years ago I saw a cane that made bat like sounds which were transmitted to people via ear plugs and they learned to echo locate with it.