First, in my defense I was just making a model based on the data I had. Of course, I am talking about my first super bounce ball post. Just to get you up to speed, I wanted to see how fast you would ...

Introduction How many ball sports can you name? How many of those have several balls at once in the game? Almost none, right? Games that do use several balls at a time most likely use balls of the ...

Here's how to get more bounce from a normal tennis ball - buddy it up with a heavier ball for twice the impact. Hold a ball in each hand and decide which ball weighs more (has greater mass). It might ...