Monthly Archives: July 2010

Our Flat Solar System

How come the planets aren’t arranged spherically around the sun? Instead of being spherical, as seems to be the default shape of things in the universe, the planets are arranged in a more-or-less flat disk — a series of concentric … Continue reading

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weight loss

Here is a low-effort way to lose weight: When your mouth gets the taste for food, brush your teeth first.  I’ve noticed that removing all the food tastes from my mouth reduces cravings. Also, you can keep yourself full by … Continue reading

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Quantum Probability, Quantum Logic

To those who have studied formal Logic, the above statements should provoke hysteria—and not just because I’m using whitespace instead of parentheses. Normally in Propositional Calculus, one considers statements like “I’m shopping and I don’t have time to talk about … Continue reading

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cool corporate art from the North American Derivatives Exchange (NADEX aka HedgeStreet) (Source: http://www.nadex.com/)

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Oil Wells

Let’s say you are standing on the outside of a hollow sphere, about the size of the Earth.  There is a single rod underneath where you’re standing which varies in density d(x) along its entire length.  Its mass pulls on … Continue reading

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This is bad science fiction. It extrapolates certain stereotypes from the present — the ability to look things up makes people lazy; kids are inarticulate; stores convince you what to buy, even taking away your power to think for yourself; … Continue reading

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tesseract, hypercube, 4-cube (via divergencetheorem)

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