There’s a brilliant dreamlike sequence about halfway through the documentary Particle Fever, when theoretical physicist Nima Arkani-Hamed enters his building at the Institute of Advanced Studies in Princeton, N.J., looking troubled. Cartoon equations and figures swirl around his head. As he walks upstairs to his office and starts to work, the building’s windows fall away. Shortly thereafter, the whole world disintegrates into a mess of alternate universes, almost none of which could support life. Could our existence be an accident, the film asks, and our attempts to understand nature a folly?
“This is the sort of thing that really keeps you up at night,” Arkani-Hamed says. In the film, much of his life’s work is riding on measurements emerging from the Large Hadron Collider, a giant ring-shaped particle accelerator under the Franco-Swiss border. The stakes are high too for David Kaplan, the Johns Hopkins physicist who conceived the film. But to do these theory-confirming or theory-busting measurements, thousands of experimentalists inhabiting the collider’s tunnels and control rooms first have to get the machine to work — no small task.