Think Rubik’€™s cubes are child’s play? Maybe so, but they’€™re also an obses­sion for com­puter sci­en­tists who spe­cialize in so-​​called €œsearch and enu­mer­a­tion prob­lems. In 2007, researchers at North­eastern Uni­ver­sity proved that no matter what its ini­tial con­fig­u­ra­tion, any Rubik’€™s cube could be solved in 26 moves.

Read the article at Huffington Post →