This week physicists announced the discovery of the long-sought-after Higgs boson — or at least something that looks a lot like it. Theoretical physicist Sean Carroll explains why the tiny particle is so fundamental to our understanding of the universe, and why it took 50 years to find it.
Sean Carroll is a cosmologist and physics professor specializing in dark energy and general relativity. He is a research professor in the Department of Physics at the California Institute of Technology. His latest book is The Big Picture: On the Origins of Life, Meaning, and the Universe Itself. (Dutton, 2016) He’s based in Los Angeles, California.