TechnologyUltrasonic speakers let people who are blind read Braille in mid-air People who are blind can read using a device that uses ultrasonic speakers to create points in mid-air similar to the dots that form Braille characters News
VideoThe hyperloop: will Elon Musk's technology be the future of transport? Get up to speed on the revolutionary technology that could soon be moving us faster than ever with HYP-ED technical director Daniel Carbonell. Video