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 ...

It sits in a Fells Point antique shop, a kitschy keepsake from a classic Baltimore restaurant. Haussner’s may be gone, but its jumbo ball of string rolls on. And it’s for sale — though, at 825 pounds, ...

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 ...

Deciphering a word written on a ball of string that then unravelled depends on the randomness of the rolling process, says one New Scientist reader. But why not try it for yourself at home? I would ...