House & Home Physics
Water Heater Recovery
T(t) = T_in + ΔT·(1 − e^(−t/τ))
After a hot shower, the tank reheats on the same exponential curve — the 'recovery time' a heater is rated for.
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).