How do blind people navigate around without walking into things? I use echo location to detect opsticles in my way and to get a picture of the area around me.
Posted by Dewald van Deventer July 22, 2011—Updated on July 25, 2011 — Average Rating: 2.7
How I came to know echo location as an amazing tool of orientation and mobility.
Posted by Dewald van Deventer October 03, 2014—Updated on February 08, 2016
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