Whipping his racquet through the air like a cesta in jai alai, Rafael Nadal produces such tremendous topspin that the ball sometimes seems to catapult off the court, creating a shot as challenging to ...

Great tennis legends used to use heavy wooden rackets. Graphite arrived about 25 years ago. Since then, the technology hasn't change much. That is until now. More and more pros are using polyester ...

Golf ball spin is so often misunderstood; and for good reason. It can be awfully complicated. Things like physics, geometry, applied science, aerodynamics, force creationholy smokes, my head is ...