Although chlorine and automatic pool cleaners do a great job maintaining the water’s clarity and cleanliness, the increased ...

By Stuart Miller Yellow felt and a rubber core. A tennis ball seems so simple. But reality is more complicated, at least on the pro tours where manufacturers can make balls that fit into a range ...

Are these tennis balls yellow or green? It seems a simple question - the tennis balls are obviously yellow. But some people say they are obviously green. And then there are the people who say they ...

What are tennis balls made of? Modern tennis balls are made of a hollow rubber core, covered in a wool or nylon shell which is known as the nap. Pressurised air inside the rubber core makes the ball ...