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Math Science

Algorithm Solves Rubik's Cubes of Any Size 139

An anonymous reader writes with this excerpt from New Scientist: "Only the most hardcore puzzle-solvers ever go beyond the standard 3x3x3 Rubik's cube, attempting much larger ones. Now an algorithm has been developed that can solve a Rubik's cube of any size. It might offer clues to humans trying to deal with these tricky beasts. Erik Demaine, a computer scientist at the Massachusetts Institute of Technology has found that the maximum number of moves that will ever be required for a cube of side n is proportional to n/log n. 'It gives me a couple of ideas how to solve this thing faster,' says Stewart Clark, a Rubik's cube enthusiast who owns an 11x11x11 cube."
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Algorithm Solves Rubik's Cubes of Any Size

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  • by eobanb ( 823187 ) on Thursday June 30, 2011 @08:41PM (#36629638) Homepage

    Lack of support for 20 year-old standard is usually just annoying as hell, but in this case it's actually caused the summary to be wrong. For a site that frequently discusses such topics as technology, math and language (for all of which Unicode is an important part—at least insofar as even being able to TALK about these subjects) there is absolutely no excuse for not doing Unicode.

    As far as I'm concerned Slashdot ought to be able to render MathML too.

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