From @pprlisa – Echolocation to Navigate Posted on: April 28, 2008 Last updated on: April 28, 2008 Written by: Howard Yermish Categorized in: Writing Here’s a post from my Twitter network @pprlisa about a boy who uses echolocation to overcome blindness. It is amazing and inspiring. [youtube:http://www.youtube.com/watch?v=DpBm4KoWsrY] Continue reading…