xkcd's "What if?" series

This new xkcd series is frakkin' awesome, updated each Thursday. It's speculative-nonfiction humor writing, leaning heavily toward the Hard SF end of the spectrum.

First up: "What would happen if you tried to hit a baseball pitched at 90% the speed of light?" Here's a hint:

Click the image to see the first installment of xkcd's "What if?"

Things don't get better from there. Or they get AWESOME, if you're a physics nerd.

Chris