The first of three curing processes, which Dillon calls the “ground rules” for making a tennis ball, solidifies the slugs into the half-shells. Within 90 seconds, the molds reach 316 degrees ...

Tennis' world governing body is exploring a concept that could radically change the design of tennis balls and the materials used to make them. BBC Homepage. Skip to content; ...

When you bounce a tennis ball off a moving basketball, the tennis ball goes careening off at high speed. Here's why that happens. Skip to main content. SECURITY. POLITICS. THE BIG STORY.