They said my MRI would cost 7500 only. Then I got the bill...

computerized eye testing

(For my American readers, that's about $125.)

I'm currently located in Pune, India, enjoying India's excellent medical system. I just had an MRI in preparation for more serious treatments. Once I've gone through the full experience, I'll be writing a detailed blog post on the topic.

India's medical system is …

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Computers are made of metal, not category theory

Computers are made of metal. It's an important fact to remember. It's wonderful to treat the world as being made of category theory and lambda calculus. The world of math is wonderful and I enjoy it too much. But hidden underneath all that lovely abstraction lies a much less beautiful …

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How many hours of work is optimal? A Python Optimization tutorial

A commonly asserted fact is that as an individual employee's working hours increase, his hourly productivity decreases. This is supported by a variety of studies. This naturally begs the question - why do employers often demand that employees work for long hours? Are employers simply irrational? In this post I'll use …

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Attribution Theory is Misguided

Attribution theory is the practice in advertising where you attempt to figure out how to allocate credit for a sale to a given advertisement. I argue that attribution theory is asking the wrong question - it doesn't matter how to allocate credit for your past purchases. What matters is how to alter your advertising portfolio to maximize your next purchases.

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Assorted links

A Different Box of Tools, by Richard Feynman. There are two great things about this article. One is the "Feynman" method of debunking a theory - come up with simple examples that satisfy the theory yet are obviously false (typically look in mental areas different from the person cooking up the …

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The Complexity Copout

schrodinger's kitty

Back in my days as a physicist, my Ph.D. adviser came to me with a proposed theory. He wanted to study the many-body Schrodinger equation - to study the interaction of a single charged particle with a conductive screen. I didn't like this theory very much - it offended my sensibilities …

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