You would think my weekly cruise by Boing Boing would have had me going on about how you can have Richard Stallman record telephone answering messages for you, but no.
This is the Arts and Crafts column, thank you very much. Or Kraffs, as we say here in Wuhscahns'n. A couple of Bristol University mathematicians have crocheted a festive version of the Lorenz equations. Their crochet pattern appears in the latest issue of the journal Mathematics Intelligence. There's a PDF version of the article here. It's worth it for the pictures alone.