A community-run wiki dedicated to explaining the jokes and references in the webcomic xkcd.
1 person recommends this
“Also speaking of Randall Munroe, if you’re a fan of xkcd, then unless you're as steeped in physics and math as he is, you're almost certainly stumped occasionally when the joke depends on some sort of obscure scientific or mathematical reference. This wiki site has you covered.”
What If?: Serious Scientific Answers to Absurd Hypothetical Questions
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