Cooking & Food Science
Dough Proofing
dN/dt = r·N·(1 − N/K)

Yeast population and CO₂ volume follow an S-curve: slow start, rapid rise, then a plateau as sugars run low.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).