Two quick notes:
-- In a little more than half an hour Buttercup will marry Humperdinck I'll be talking about Eureka on talk radio in Ireland. This was put together very quickly, thus the short notice.
-- I'll be signing books this Sunday, the 14th, at The Open Door Bookstore in Schenectady. If you're in the area, please stop by; if you're not, and would like a signed book, you might give them a call and see if they'll ship you one. I'm happy to sign and personalize extra copies for that sort of thing. They make great gifts for all manner of winter solstice holidays...
More like this
Finally, as I promised a while ago, it's time to look at the sign-expanded forms of infinites in the surreal numbers.
Take a look at this video made by fellow ScienceBlogger Dr. Isis.
Baby sign language is all the rage these days.
Signs are not the boss of me (or of you), but they often convey useful information. For example, this sign reminds of us of responsibilities that come with being a dog owner (or dog guardian, depending on your jurisdiction):