Seven-year-old blind boy ‘uses echoes to see’
5th October 2009
He was taught the technique called echolocation, similar to sonar used by bats, by Daniel Kish, a blind Californian who founded the World Access for the Blind charity.
5th October 2009
He was taught the technique called echolocation, similar to sonar used by bats, by Daniel Kish, a blind Californian who founded the World Access for the Blind charity.