Daniel Kish, blind since infancy, uses and teaches echolocation to help navigate the world freely, demonstrating independence and freedom.

There are over 1400 species of bats found around the world. And the way they navigate is hugely varied. The vast majority are using, as you might expect, echolocation. That's where an animal uses ...

Description: I don’t actually believe in echolocation as a real tool for humans to actually use. We’re not bats. I do, however, have a really good sense of hearing and I use it in ways other people ...