The classic (and classical) Rubik's cube is what's known as a permutation puzzle, which requires players to perform certain actions to rearrange one of a number of possible permutations into a ...

Don’t blink. In a hi-tech David versus Goliath story, a group of undergraduate students at Purdue University built a robot ...

A famous example is the 1990 study of the ... Studying the scrambling problem for the standard 3x3x3 Rubik’s Cube is currently a fascinating unsolved challenge. However, it becomes quite ...