Any Rubik's Cube can be solved in 20 moves, but it took over 30 years for anyone to figure that out

In 2010, a group of mathematicians used a bank of supercomputers at Google to show any Rubik's Cube could be solved in 20 moves.
New York Post

College students create robot that breaks record for solving Rubik’s cube — smashing prior record held by $80B auto maker

In a hi-tech David versus Goliath story, a group of undergraduate students at Purdue University built a robot that crushed the world record for solving a Rubik’s cube once held by Mitsubishi, a ...