Ben Underwood (1992-2009) lost his eyes to retinal cancer at the age of 3. He developed a type of echolocation allowing him to “see” by using his tongue to produce clicks and listening for the echoes as they bounced off objects. In this way
Ben Underwood (1992-2009) lost his eyes to retinal cancer at the age of 3. He developed a type of echolocation allowing him to “see” by using his tongue to produce clicks and listening for the echoes as they bounced off objects. In this way