Apparently Antonin Kaspara from Czech invented a low-cost smart shoe that warns about obsticles for blind people.
A infrared sensor detects light reflected back from potential obstacles and indicates this via a vibrating device in the sole of the shoe.
The "seeing" shoe could be on the market next year. The enhancing electronics cost about $20.
Full story on Ananova.
Don't Miss: iPhone 8: Everything You Need to Know
Don't Miss: Incredible Pokemon Gifts