House & Home Physics
Modem Channel Capacity (Shannon)
C = B·log₂(1 + SNR)

The hard ceiling on internet speed: more bandwidth or a cleaner signal-to-noise ratio buys more bits per second, per Shannon's law.
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).