Reposted by @nungut.bsky.social
Paul Dirac's paper "The Quantum Theory of the Electron," in which he derived the relativistic equation for spin 1/2 particles like the electron, was submitted #OTD in 1928.
It’s one of the most important results of 20th century physics, taking the deceptively simple form:
i ℏ γ.∂ψ - m c ψ = 0
🧪 ⚛️ 
