The Blind Man Who Invented Human Sonar

In a world full of noise, Daniel Kish has learned how to harness that information and see with sound. After he became blind as a baby, he developed the ability to navigate using echolocation—a technique used by bats previously thought to be impossible for humans. Using a series of clicks at various tones and decibels, Kish can detect what’s around him enough to move through the world independently and even ride a bike. Now he’s teaching others the remarkable technique he pioneered.

This Great Big Flim was co-directed by filmmaking duo ZCDC (Zackary Canepari & Drea Cooper). It was made in collaboration with our friends at CNN Films.

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