The 2x2 Rubik's Cube has a fascinating inner mechanism. Let's see how it works! Biden signed 50 bills on Christmas Eve. Here ...

hosted by the UK Cube Association. About 18 events involving the speed-solving of 2x2, 4x4, 5x5, 6x6 and 7x7 cubes and extra challenges took place. "Speed-cubers", some as young as seven ...