A Whitney Music Box mathematical mash-up from Daniel Piker. He describes it as follows:
“Take 1 large ‘Whitney Music Box’ and whisk together with ‘Mobius transformations revealed’. Add a sprinkle of ‘Indras Pearls’, the juice of a fresh Riemann Sphere, and stereographically project at 200C until crispy…”
link

A remarkable choir from Slovenia.

From Marc Andreessen comes this excellent short guide to personal productivity.
Following Mark’s advice, I’m buying one of those cool fisher space pens right now, as a form of structured procrastination. Oh, I love that term.

An indoor autonomous helicopter from MIT. Can the remotely piloted dragonfly from Danny Dunn, Invisible Boy be far behind?

I found these amusing Volkswagen ads on the excellent Laughing Squid:

On this rainy Los Angeles day, I thought I’d post a link to this wonderful letter from actor Stephen Fry, to a depressed fan.
Here’s an excerpt:

I’ve found that it’s of some help to think of one’s moods and feelings about the world as being similar to weather:
Here are some obvious things about the weather:
It’s real.
You [...]

I’ve found the IAmA section on Reddit to be an endless source of fascination the past couple of weeks. It’s essentially a 21st century version of “True Confessions” magazine. Some recent entries:
I am a male stripper. Ask me anything.
My blog is my principal source of income. Ask me anything.
I worked at a medical [...]

Beth Block shot and edited this video excerpt of my piece ‘Kasparov vs. Deep Blue’ at last June’s concert in Eagle Rock. In this piece, a computer-chess engine produces music in real-time as actors recreate a famous chess match on a chess board which is wired to the computer. The music is a [...]

Ever heard a piano talk? This is why I love automatic instruments!
Thanks to Patrick Woodward for sending this to me.

Click the image to watch and hear my musical clock made of the stars.
To make this, I downloaded public data from Hipparcos, a satellite launched by the European Space Agency in 1989 that accurately measured over a hundred thousand stars. The data I downloaded contains position, parallax, magnitude, and color information, among [...]