I don't doubt that some people feel that knowing the physics of baseball removes some of the romance from the game. Me? I think it makes the game all the more fascinating. CNET's Daniel Terdiman writes about a presentation on the physics of baseball by Paul Doherty at San Francisco's Exploratorium. Doherty talks about how curveball's curve, why knuckleballs are so damn hard to hit, and where the sweet spot is on a baseball bat.