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Monthly Archive for June, 2004

Electric Ptolemy

This is a marvelous thing. Paradigms collide when a Dutch astronomer builds a web page that uses Javascript to calculate the positions of the sun, moon, and planets based on Ptolemaic methods dating back to the second century AD: Almagest Ephemeris Calculator. That is to say, you will get answers as accurate as possible given [...]

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The twilight of the hydrocarbons

Remember the great whale-oil age? Of course not. It started in the eighteenth century and was over by the end of the nineteenth century. But for a time, whale oil was among the world’s primary lubricants and illuminants. Society’s need for light and lubrication has grown exponentially, but thankfully for the whales a new source [...]

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An intemperate man

How could James Joyce have such penetrating insight into the nature of mankind and still be such an insufferable bore? Did his muse require him to throw away money as fast as he got it, keeping his family impoverished, or was that merely an unfortunate coincidence? We always forgive our geniuses, and he was the [...]

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Artificial arm wrestling

You have no idea how efficient your muscles are at turning Cheerios into chin-ups. Muscles are silent, smooth, and powerful. All useful machinery humans have built to date are clacking whirring rotating things. IEEE Spectrum has a good article this month (not available for public reading, unfortunately) about artificial muscles. This same topic was recently [...]

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Fear and loathing in suburbia

I gave a talk this morning about the MATLAB Profiler at the Applied Behavioral Analysis Convention (see the listing here). In order to explain how profiling code works, I wanted one of those Family Circus cartoons where little Jeffy goes wandering all over the neighborhood. I thought I’d find them all over the net, but [...]

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