Vidya Balan
How do you make walking easier for people who are blind? Put submarine tech in a cane
India is home to one-third of the world’s blind people, and students in Delhi may have a solution to help them navigate the streets: a cane that uses sonar to alert them to obstacles.India is home to one-third of the world’s blind people, and students in Delhi may have a solution to help them navigate the streets: a cane that uses sonar to alert them to obstacles.