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Weekend reading (February 7)

February 7, 2014, 2:00 pm

Sorry that this week has been a little off on the posting frequency side. It’ll pick back up soon. In the meanwhile, here are some shiny items from around the web:

Math:

  • Neat article from John Baez on the use of category theory in control theory. I like how he describes category theory as a way of formally studying anything that can be diagrammatically expressed.
  • Mathematicians have found that the Rubik’s cube has a Hamiltonian circuit – a sequence of quarter-turn moves that will generate all the 43,252,003,274,489,856,000 positions that a Rubik’s cube can attain, and then on the next move restore it to its original state.

Technology:

Education:

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