▸ Loading the light source & the photon beam E = hf…
▸ Building the metal plate · work-function table W₀
▸ Calibrating the threshold frequency f₀ = W₀/h
▸ Initializing photoelectrons (KE = hf − W₀)
▸ Loading Einstein’s 1905 equation (Nobel 1921)…
▸ Ready — Online. ✅