Weird black square when I put the triangle on the cell squares

[BestGiter]

Screen.Recording.2024-12-23.145701.mp4

^^^ is me encountering it, I couldn't find what it does

[TodePond]

this is intended! check out my talk to learn more

https://www.youtube.com/watch?v=eQgxFuw8f1U

[BestGiter]

oh so its the conservation thing, ok

[BestGiter]

wait what does it do outside of a rule