explain xkcd
explainxkcd.com
A wiki that explains each xkcd comic, including the maths, science and in-jokes, with discussion from fans.
Why it is useful
Handy when a joke goes over your head, and a good way to learn the science behind a comic. The explanations often link to the original sources.
More in Hidden Websites
Other hidden websites you might not have heard of.
- The ForestA one-button portal into the weird, personal, and overlooked corners of the internet.
- MetafilterOne of the oldest community blogs on the internet, with thoughtful long-form discussion since 1999.
- Dan QThe personal blog of Dan Q, a long-running site that covers technology, the web, geocaching, travel and everyday life, with posts going back many years.
- dCodeA large set of tools for solving ciphers, codes, puzzles, number problems and games, with explanations of how each method works.
- MonkeytypeA minimalist, customizable typing speed test with live stats and dozens of modes.
- NPR Text-OnlyA stripped-down, text-only version of NPR's news site with no images, scripts or autoplay, which loads almost instantly.