J Steele-Louchart is a Perceptual Navigation Instructor with World Access for the Blind. Blind from the age of 12, J began teaching himself Perceptual Navigation based on materials published online by World Access For The Blind Lead Founder and President Daniel Kish. Now J teaches others how to see the world around them using their ears and a technique called flash sonar. He joins Nate on this episode to explain how it all works.