Chemistry
Infrared Spectrum
T(ν̃) = 1 − Σ Aᵢ·exp(−(ν̃ − ν̃ᵢ)²/2σᵢ²)

Each dip is a vibrational fingerprint: the sharp carbonyl stretch near 1700, C–H stretches near 2900, and a broad O–H band around 3300 cm⁻¹.
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).