Flutterby™! : Science of hitting

Interesting little fluff piece on the art and science of hitting a baseball, note particularly the infographic. I've found testing my own reaction times to be very informative; it's amazing that with unplanned reaction times in the quarter second range, and planned general purpose reaction times (ie: clicking a stopwatch to something crossing a line) in the 1/30^th to 1/40^th of a second repeatability that a human can specialize accurately to a thousandth or two.