Flights of the butterfly

  • Langton’s ant

    This is Langton’s ant. He lives on a plain sheet of paper, preferably white, with squares on it. His name is possibly Cyril. But, it could be Rodney. It’s difficult to tell. •           Cyril, or possibly Rodney, likes an uncomplicated life. He lives by just two rules. •           And two pots of paint. THE RULES…

  • Intersections and other stuff

    Here are three lines intersecting at a point: Well, actually, it’s not. As any engineer will tell you, it isn’t quite like that, it looks like this: There is always a slight error. In fact, when you get closer, it looks like this: Actually, nobody ever drew a straight line anyway, they all look like…

  • The Universe and ATC

    This information can be represented on a spreadsheet: