Young baseball players start with t-ball, basketball players start with lower hoops and smaller basketballs, but new tennis players usually get thrown right into their sport with regulation rackets, ...

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 ...

Back on Sunday, I devoted a "Football Physics" post to talking about erratic bouncing and an amazing rugby play where a ball popped up high at just the right moment. That's the sort of play that ...