Third Eye 👁️ (Gadget)

 Designer makes robotic forehead eyeball 'Third Eye' for phone users

 South Korean industrial designer Paeng Min-wook showcases a robotic eye, called "The Third Eye", on his forehead as he uses his mobile phone while walking on street, It uses a gyro sensor to measure the oblique angle of user's neck and an ultrasonic sensor to calculate distance between the eye and obstacle.