Stark–Zeeman Lab

Live E/B n=2 splitting, clickable levels, transition ΔE→λ, optional WebGL orbital.

About this tool

Stark–Zeeman Lab — toy hydrogen n=2 levels under electric and magnetic fields. Drag E and B; pick Stark / Zeeman / Combined; click levels or use From/To for a transition wavelength. Orbit opens a stylized WebGL view. Educational, not precision atomic physics.