Circles are also simpler than ellipses. Maybe that's a clue. Maybe we need a more complicated equation that makes the phenomena more understandable. EDIT: To s

Circles are also simpler than ellipses. Maybe that's a clue. Maybe we need a more complicated equation that makes the phenomena more understandable. EDIT: To stretch the metaphor a bit more. Maybe QFT is the analogous of the solar system described with epicycles.