Hungarian inventor Erno Rubik's famous puzzle cube has been around for 44 years now, but never like this. The GoCube is a Bluetooth-connected Rubik's Cube, dripping with sensors, that teaches you ...

Rubik's Cube inventor has seen his color-matching puzzle go from a classroom teaching tool in Cold War-era Hungary to a worldwide phenomenon with over 450 million cubes sold and a mini-empire of ...