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The original was posted on /r/todayilearned by /u/AST_XS1S on 2024-10-10 04:56:04+00:00.

Original Title: TIL humans can have a form of echolocation.Just by clicking their tongue or simply snapping their fingers they can know where they are, or where to go.About 30 percent of blind people use this with their stick that most use. Even people who aren’t blind can do this with lots of patience and training