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How hard is it to scramble Rubik’s Cube?

  • Written by Tim Garoni, Associate Professor, School of Mathematics, Monash University
How hard is it to scramble Rubik’s Cube?What a scramble.Shutterstock.com

Rubik’s Cube has been one of the world’s favourite puzzles for 40 years. Several different methods have been devised for solving it, as explained in countless books. Expert “speedcubers” can solve it in a matter of seconds.

In addition to such feats of astounding dexterity, there are many...

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