in grad school i was really into doing math that was like loosely inspired by physics but saved you from having to do any real physics and now i'm wondering how much of that was coming from like a suppressed desire to just actually do real physics
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just struck by how reading actual physics for a few days straight has caused me to almost completely lose interest in pure math
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when i tweeted this it was a half-joke but. hmm. hmmmmmmmm
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is this 
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i've written a lot of math posts but most of them were not as thrilling to write as this physics post where, after staring at a fire for awhile, i went through the derivation of planck's law for black body radiation from quantum statistical mechanics
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after you do this calculation you can approximately infer the temperature of the surface of the sun from the wavelengths of visible light
friggin sweet
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Why is it impossible, even on the night of a full moon to use a magnifying glass, no matter how large, to light a match-head?
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hmm is this a riddle? i'm still not actually a physicist lol is it because the photons are... tired 🤔