Spanish Scientists Develop Human Echolocation

When navigating at night, around dark caves, and through murky waters, bats, dolphins, and whales use clicks and whistles to create a sonic picture of their environment. This ability to see with sound is called echolocation, and some Spanish scientists think they've found a way to systematically teach it to the blind. Writing in the journal Acta Acustica, the researchers identified a set of sounds that could be used by humans, and codified the training regime needed to let blind people visualize their environment through sound. read more

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