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 ...

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 ...

Back in the fall of 1989, I was a freshman at Williams College, and one Monday night that fall there was some sort of problem with the cable TV in our dorm, so a bunch of us went next door to watch ...