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 ...