Tennis season is finally here again, and now is the best time to gear up before you hit the courts. Walmart is making that ...

"How to Make a Tennis Ball." Then the yellow spheres slide into canisters and have labels slipped on before settling into large Wilson cases, ready to be delivered to a tennis court near you.

Now, at this year's CES tech event in Las Vegas, the oversized talking tennis ball is back and available to purchase later in 2025, the tech giant says. Ballie AI, which still doesn't have a ...