From Discovery News: Any athlete will tell you that training involves a lot of repetition — doing something until it’s in the “muscle memory” and doesn’t need to be consciously recalled. For visually impaired athletes, though, it can be harder to train, because they can’t see well enough to know what movement they are supposed to imitate. That got Benedict Copping, an engineering student at Imperial College, London, thinking: how to transmit what a coach is feeling when they demonstrate a movement.