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.
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How does a Speed Cube work? (Fast Rubik's Cube)

A Speed Cube is a special kind of Rubik's Cube that is meant to be solved quickly. ⌚Timestamps: 00:00-Intro 00:48-Cube History 01:25-Solve It Fast 02:11-Tips for solving 03:12-CFOP 05:30-Inside ...