Gaseous Diffusion

How Uranium Enrichment Works: Diffusion, Centrifuges, and the Laser Technologies Still Waiting to Arrive

Uranium enrichment is the process of increasing the concentration of fissile U-235 for nuclear reactors and weapons. The article details the evolution from obsolete gaseous diffusion to the current gas centrifuge standard, and the future promise of laser separation technologies, while noting proliferation concerns.