This American Life did an episode recently on Daniel Kish, one of the most famous echo location practitioners[0] and here's a short youtube video of the same gu

This American Life did an episode recently on Daniel Kish, one of the most famous echo location practitioners[0] and here's a short youtube video of the same guy.[1] [0]http://www.thisamericanlife.org/radio-archives/episode/544/batman http://www.thisamericanlife.org/radio-archives/episode/544/b... [1]https://www.youtube.com/watch?v=A8lztr1tu4o https://www.youtube.com/watch?v=A8lztr1tu4o