Just a quickie today, since I'm traveling and away from my usual posting client, but this is way too good to leave on the shelf until it becomes seasonal. If you love mathematics, or are a fan of xkcd, you really need to go over to YouTube and watch/listen to The Gauss Christmath Special by the amazingly wacko Vi Hart. Then go check out Pachelbel's Music Box Canon in D. I could go on. And on.
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