Interesting paper providing an information theoretic view of conditional diffusion. With **a lot of maths** arxiv.org/abs/2509.23937

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Great piece by @jonathanjarry.bsky.social on the descent of Sabine Hossenfelder, from science communicator to contrarian outrage-monger www.mcgill.ca/oss/article/...

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I've complained a couple times about the lack of physics community here but not done much about it! New commitment: I'll post one interesting arXiv paper a day until things are better. (To the folks who follow me for non-physics science policy, don't worry; plenty more of that reporting to come.)

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It's been a long time coming, but I've finally made some improvements to RealOrganicChemistry.org, including adding literally over a million practice problems for stereochemistry and line-angle drawing. The original collection of reaction examples is still there. Feedback is welcome. More to come!

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Cool work by Arash Afraz's lab using a dual AI system to be able to reverse-engineer the perceptual experience of receiving visual cortex stimulation. www.nature.com/articles/s41...

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