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xkcd's Relativistic Baseball

xkcd has been my favorite webcomic as soon as I discovered it many, many years ago. Nothing else ever comes close, and nothing else makes me laugh as hard. And now it looks like there’s a new section called “What If: Answering your hypothetical questions with physics, every Tuesday”.

Did I even need another reason to adore xkcd? No. But oh my goodness, I am so happy right now. I’m this close to actually setting my alarm to remind myself each Tuesday.

So, above is the first installment, explaining what would happen if someone could pitch a baseball at 90% the speed of light. If you need convincing to click through, here’s a spoiler: it involves a mushroom cloud. (Since I’ve never been much of a sports fan, this is how I feel every baseball game should end, but I digress.)