Mathematical ‘Hocus-Pocus’ Saved Particle Physics

In the 1940s, trailblazing physicists stumbled upon the next layer of reality. Particles were out, and fields—expansive, undulating entities that fill space like an ocean—were in. One ripple in a field would be an electron, another a photon, and interactions between them seemed to explain all electromagnetic events. Original story reprinted with permission from Quanta […]