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loren schmidt 21. stu
oof, there it is. this is one of those moments where i palpably feel a sense of the rawness of things, of how close the underlying structure is.
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loren schmidt 21. stu
Odgovor korisniku/ci @lorenschmidt
this is an electron microscope image of the foundational mechanism in spiral growth. this isn't even that small. the scale bar is 100 μm, or a tenth of a millimeter.
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loren schmidt 21. stu
Odgovor korisniku/ci @lorenschmidt
if you could see the cellular mechanisms which drive this, you'd probably see valleys of rapidly dividing cells acting as repulsive force between rafts of cells which will become lateral buds.
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loren schmidt
apparently the phi angle ratio between lateral buds (and several other stable sequences) are an emergent property of basically a timer + point repulsion. perhaps it's more complex than descriptions i've come across, but if that's all it is it's a glaringly simple mechanism.
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Derek Tumolo 21. stu
Odgovor korisniku/ci @lorenschmidt
This is so cool. Do you have a paper on the timer+repulsion idea? I’ve been toying with a proc gen creature maker that has simple rules, but I’ve struggled to find a simple enough rule that does interesting things
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loren schmidt 21. stu
Odgovor korisniku/ci @derektumolo @Sin_tel
thanks to , here is a video of it in action! you may also be interested in sorting via variable adhesion. it's one that is new to me but very powerful for sorting populations of cells.
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