The Mind-Bending Physics of a Tennis Ball’s Spin
Tennis has been called the game of inches, of kings, of poets, of love, of errors, of endurance, of a lifetime. But those are mostly metaphors. Really, tennis is the game of spin. Watch Novak Djokovic send arcing yellow streaks from beyond his baseline to the bleeding edge of his opponent’s backcourt. Watch Rafael Nadal’s ground strokes cross a foot or more above the net, then drop like tactical bombs to the competition’s ad corner.