#Sierpinski Triangle Part 2 electric boogaloo
(becuause i apparently maxed out the last page with K N O W L E D G E)
##logical Operations
Its possible to create the sierpinski triangle through hooking together logical operations. I couldnt find out much more on the specific details for using AND operations. But i did find something to make up for that.
Using molecular assembly with DNA tiles to compute XOR functions, in order to generate a sierpinski triangle. WHAT. THE. HELL. This is some crazy research stuff that intersects molecular biology, cellular automata, and logical operations. In other words, its WAAAY WAAAAAAAAAY over my head, but
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https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0020424 the research paper is fun to look and and has pretty pictures.
##Biology
Ive seen two examples of pretty S-triangle like patterns in real life biology.
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https://imgur.com/a/QGgv3kV Seashells
I asked someone who was knowledgable on the subject of cellular automata for their input on why seashells look like this sometimes, and they generously gave this reply:
"Evidently, there's a row of pigment producing cells along the linear organ that secretes the growing shell at its leading edge, and these cells implement a one-dimensional cellular
automata by having an internal state and exchanging signals with their neighbors. Such cellular automata can often produce Sierpinski patterns. The evolutionary purpose is unclear;
it could be accident, or it could be that the patterns afford some measure of camouflage."
And the other example
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https://imgur.com/a/9DVOMpD The arrangement of Algae cells forming colonies
This one isnt super suprising, again the S-triangle is a pretty simple construction, so its not unreasonable that simple cell organisms ocasionally stumble upon the structure by chance. Still, its neat to see it actually happen in nature.
##closing remarks
WHEW, I AM BEAT AFTER WRITING THIS. My goal was to create a small compendium of information on the S-Triangle and a lot of places it shows up.
I hope you got some enjoyment out of reading, or just from looking at the pretty ascii pictures, no judgement :)
Did you like what you saw? Got something more to add to the list? Angry at me for a technical screwup or typo? Leave your feedback at
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Thank you!