That's fascinating. Reminds me of Daniel Kish, who is totally blind but navigates freely by echo location. It seems that is something humans -- at least blind o

That's fascinating. Reminds me of Daniel Kish, who is totally blind but navigates freely by echo location. It seems that is something humans -- at least blind ones -- are generally capable of if they work at it. https://en.wikipedia.org/wiki/Daniel_Kish https://en.wikipedia.org/wiki/Daniel_Kish https://www.npr.org/programs/invisibilia/378577902/how-to-become-batman https://www.npr.org/programs/invisibilia/378577902/how-to-be...