Traditional choreography is a branch of computer science. For example:
More algorithms are illustrated here.
What does a sorting algorithm sound like? Something like this:
Category: Mathematics
Explosive action
Nothing worth watching on television? Eyjafjallajökull not doing much these days on the rare occasions when it’s not hidden by clouds? Take a look through the Sakura-jima webcam. When the weather is clear, you probably won’t need to wait long to see a nice column of ash burst out of the crater. Sakura-jima has been almost continuously active since 1955.
You can control the camera, by the way. Click on the box with crosshairs at the bottom right of the viewer and wait for the countdown to end. The bar to the right of the picture controls the zoom, and the little box under the picture controls where the camera points.
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A different sort of video: Arthur C. Clarke, Benoit Mandelbrot and the Mandelbrot set, with a soundtrack by David Gilmour. (Via Steven Riddle.)
Miscellaneous links
An old interview with the late Martin Gardner. (Via .clue.)
Miku does Mozart. ((Background on Hatsune Miku here.))
Congratulations …
… to Angela at mommy bytes, who figured out my little number puzzle.
Puzzle
Here’s a quick little puzzle for the new year: What is the next number in this sequence? It’s not 70. How did I generate the sequence?
22
26
30
38
42
46
54
58
62
Hint below the fold.
Update: Big, fat hint below the fold.
