The Rubik's Cube was created 50 years ago by Hungarian inventor Ernő Rubik. Over 500 million of them have been sold. Needless to say, the 3D puzzle has captured the imagination of countless students ...
NPR's Ailsa Chang talks with Matthew Petrohay about his team's undergraduate project at Purdue University. They built a robot that set a new world record for shortest time to solve a Rubik's cube. The ...