Science makes another hidden-in-plain-sight discovery. Using M&Ms, that’s the important part.
The barrel full of plain M&M’s made Professor Chaikin think about how well they packed in. A series of studies have shown they pack more tightly than perfect spheres. That surprises many physicists and Professor Chaikin. “It is a startling and wonderful result,” Sidney Nagel, a physicist at the University of Chicago, said.
Not So Fast 