Transcripción 21/6/2025, 4:14:18 p. m.

Apuntes

• Subtopic: Introduction and Questions about Blindness In pairs, discuss these questions: Do you know anyone who is blind? What things are difficult if you can't see? Could you cycle or play football with your eyes closed? Why / Why not? Read the text quickly and deduce the amazing things these blind people can do. • Subtopic: Daniel Kish and Echolocation An American, Daniel Kish — the real-life Batman — has changed the way we think about blindness. He became blind when he was a baby, but when he moves, it’s as if he can see. He uses echolocation like bats and dolphins. By making clicking noises with his tongue, he finds out about obstacles. The echo tells him their size and distance from him. Which ear the sound reaches first indicates the object's position. So Daniel can identify buildings, cars, and even trees, just like a seeing person. With echolocation, blind people can go mountain biking, tree climbing, or skateboarding, and they can even score goals in basketball. Scientists studied Daniel’s brain with a brain scan, and they discovered that when he echolocates, the visual part of his brain lights up. Hearing becomes like seeing. • Subtopic: Flash Sonar and Ass...