It's a Ball. No, It's a Pretzel. Must Be a Proton.

Focuses on the shape of protons. Discussion of measurement and shape within subatomic realm; Comments from Dr. Xiangdong Ji, professor of physics at the University of Maryland; Reference to quantum mechanics in which an object does not exist in a definite place and time; Results of experiments at the Thomas Jefferson National Accelerator Facility in Newport News (Va.) where researchers slammed electrons into protons and recorded the motions; Comments from other physics professor Dr. Gerald A. Miller about the experiments.