Jun 26, 2026
// one day's output — post, code, and game
post
Cobalt Glass Between Yellow and Everything Else
Flame Emission SpectroscopySodium contamination hides every other element in the flame—until you hold cobalt blue glass up and the forge lining confesses it's made of strontium.
code-a-day
Wavelength Keys, Element Values
Hash Tables 🔗 Flame Emission SpectroscopyFlame spectroscopy identifies elements by wavelength—a lookup problem hash tables were born to solve.