One theory to the tune of another
My second favourite type of question in physics, after ‘what’s the simplest non-trivial example of this thing?’, is probably ‘how can I write these two things in the same formalism, so that the...
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Negative probability
I’ve been thinking about the idea of negative probabilities a lot recently, and whether it’s possible to make any sense of them. (For some very muddled and meandering background on how I got...
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Negative probability: now with added equations!
OK, so this is where I go back through everything from the last post, but this time show how all the fiddling around with boxes relates back to quantum physics, and also go into some technical details...
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Bell’s theorem and Mermin’s machine
> Anybody who’s not bothered by Bell’s theorem has to have rocks in his head. — ‘A distinguished Princeton physicist’, as told to David Mermin This post is a long, idiosyncratic discussion of the...
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Worse than quantum physics
I’m still down the rabbithole of thinking way too much about quantum foundations and negative probabilities, and this time I came across an interesting analogy, which I will attempt to explain in this...
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Worse than quantum physics, part 2
This is Part 2 of a two part explanation — Part 1 is here. It won’t make much sense on its own! In this post I’m going to get into the details of the analogy I set up last time. So far I’ve described...
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