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 ...

Just as a little spin, properly placed, can alter the course of a political campaign, so too does it affect the path of the ball in so many sports. In tennis, spin allows players to hit harder and ...

Sheep intestine launched the technological advancements of tennis strings. But that was 145 years ago and the tech making strings has advanced well beyond the sheep intestine natural gut first ...