A blind American man who has pioneered a technique which uses sound to see, is currently passing on his skills to vision impaired people on the north coast.
Daniel Kish is conducting workshops on the bat-like phenomenon of echolocation.
A blind American man who has pioneered a technique which uses sound to see, is currently passing on his skills to vision impaired people on the north coast.
Daniel Kish is conducting workshops on the bat-like phenomenon of echolocation.
