Tom MacWright @macwright.com · Mar 3 1 / 2
gray codes in rotary encoders look like ancient geometric puzzles from sci-fi, translating an angle of rotation to a number in binary en.wikipedia.org/wiki/Gray_code
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when you take the radio signal from Arecibo and lay it out on a prime x prime grid you get that picture.
i love that two people have already made visualizations of this on @observablehq.com observablehq.com/@roop-pal/gr... observablehq.com/@jwolondon/g... i think there's still room for making a spinny interactive demo but on the other hand i should maintain a sleep schedule