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You can tell the tech press is cooked because 95% of them can't connect the dots.

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You can tell the tech press is cooked because 95% of them can't connect the dots.

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  • Simon Tathamundefined

    I wonder how many times it's possible to be wrong in sequence about the same thing.

    Uncategorized tilingtuesday oops
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    Simon Tathamundefined
    I wonder how many times it's possible to be wrong in sequence about the same thing.In my last blog post about tilings and finite-state transducers, I mentioned making a mistake about the Ammann-Beenker tiling. I had a description of it in my software, and I had believed it didn't admit a deterministic transducer, because my code reported failure when trying to construct one. But I later found out that it did: my construction algorithm had an overzealous failure detector, and had given up too soon.But it turns out I was right the first time, if for the wrong reasons. It _doesn't_ admit a transducer after all, because I _also_ got the tiling description slightly wrong!The Ammann-Beenker rhombus tile is 180° symmetric, but its orientation matters nonetheless (it forms part of the proof of aperiodicity). My description of the tiling had the rhombuses wrongly oriented, in a way that – as it turns out – made the system accidentally simpler.The first picture here is the Ammann-Beenker analogue of the Penrose 'cartwheel pattern': a singular instance of the tiling, having the symmetry group of a regular octagon _except_ for the dark-coloured tiles, of which the blue ones vary their shape under rotation by some multiple of 45°, and the red ones keep the same shape but change orientation.The second picture is the same pattern, but generated using my earlier wrong description of the tiling. Because I got some of the rhombus orientations wrong, the red tiles are in much weirder places. _That_ diagram has been puzzling me for a week, until I figured out last night what mistake had caused it!Oh well, at least I got some pretty pictures out of it.#TilingTuesday #oops
  • Oblique Strategiesundefined

    Use an unacceptable color

    Uncategorized obliquestrategies
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    Oblique Strategiesundefined
    Use an unacceptable color #ObliqueStrategies
  • Maronno Winchester :antifa:undefined

    Wil Eelsing (@wileelsing.bsky.social)

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    Maronno Winchester :antifa:undefined
    Wil Eelsing (@wileelsing.bsky.social)https://bsky.app/profile/wileelsing.bsky.social/post/3m4sddlaupk2y
  • Fra'.exeundefined

    Lo dico?

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    Ilmajiundefined
    @FraEmme concordo in pieno!Io faccio un lavoro in un posto vicino a casa e con alcune possibilità di libertà che altrove non avrei. Solo per la famiglia e il mio tempo!