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A scientist modelling a scientist modelling science
The is a follow up from Nathaniel’s post. One of the ways that the probabilities of probabilities can be used is in asking what experiments would be best for a scientist to do. We can do this because...
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Entropy is Disorder
Well, it’s not exactly, but I thought I’d be argumentative. Here is the problem with entropy and disorder as I see it, possibly somewhat different to Nathaniel. There are two things that are commonly...
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Powers of 2
The relationship between probability and information is interesting and fun. The table below is a work in progress, but I think it’s kind of cool already. The idea is to compare information...
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Reification: just because a thing has a name, doesn’t mean it is a thing
Science does not rely on investigators being unbiased “automatons.” Instead, it relies on methods that limit the ability of the investigator’s admittedly inevitable biases to skew the results. So says...
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Question
It seems like there should be a word that goes in the bottom-right here: Energy Power Entropy ????? However, as far as I’m aware no such word exists, so we’ll have to make one up. Does anyone have any...
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Poll: Cups and a pea
You’re walking down a back alley and find a man with the archetypal three cups and pea. You decide to gamble with him in a game of ‘guess where the pea is'; after all the odds are reasonable and he has...
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Poll discussion: The Monty Hall Controversy
The latest Jellymatter poll has been up for a while now, time to discuss what the correct solution is. As well as sounding like a question from a Voight-Kampff test, it is a “double trick question”,...
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An interesting relationship between physics and information theory
Lately I’ve been hanging out on Physics Stack Exchange, a question-and-answer site for physicists and people interested in physics. Someone asked a question recently about the relationship between...
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Visualizing the mutual information and an introduction to information geometry
For a while now I have had an interest in information geometry. The maxims that geometry is intuitive maths and information theory is intuitive statistics seem pretty fair to me, so it’s quite...
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Friston’s Free Energy for Dummies
People always want an explanation of Friston’s Free Energy that doesn’t have any maths. This is quite a challenge, but I hope I have managed to produce something comprehensible. This is basically a...
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