Watching a human navigate like a bat is impressive

Daniel Kish, who lost his eyesight to cancer, is now an expert in echolocation - the technique that a bat uses to navigate at night. This is why he is sometimes known as the real life Batman - although Daredevil would be more accurate. Using these skills Daniel is able to enjoy independence and freedom from many of… » 5/07/14 12:46am 5/07/14 12:46am

A New Echolocation Algorithm Can Map Spaces Based on Sound Alone

There’s plenty of precedent for echolocation in the natural world: bats can navigate based on the echo of their chirrups; and blind humans, at least anecdotally, sometimes develop remarkable sound-based spatial skills. But using sound to accurately map a space in three dimensions? That’s new. » 6/24/13 3:19pm 6/24/13 3:19pm