Eighty-five percent of the matter in our universe is dark matter. We don’t know what dark matter is made of, and we’ve yet to directly observe it, but scientists theorize that we may actually be able to create it in the Large Hadron Collider, the most powerful particle collider in the world. So how would that work? CERN scientist Rolf Landua explains how to discover a new particle. Lesson by Rolf Landua, directed by Lazy Chief.