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Post AkS4vgBiSorwc9e4ky by [email protected] |
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Post #AkS1VWg2u1Flj2fYnY by [email protected] |
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In everyday life we encounter two kinds of forces: energetic forces and entropi… |
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Post #AkS3zirGNWbw6FRVXk by [email protected] |
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When you compress a cylinder of gas, it pushes back. Is this an entropic forc… |
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Post #AkS4vgBiSorwc9e4ky by [email protected] |
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@johncarlosbaez This had me thinking about the Rüchardt experiment. An oscilla… |
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Post #AkS5b1Ksk25g4me5NQ by [email protected] |
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@johncarlosbaez Where "compress it slowly" means "let's pret… |
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Post #AkS790JDALjagudHTk by [email protected] |
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@johncarlosbaez So when you compress an insulated cylinder does the entropy rem… |
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Post #AkS7b9UYcKetHQMTvk by [email protected] |
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@ppscrv - yes, this is how we apply ideas from equilibrium thermodynamics (whic… |
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Post #AkS9DO4YxFi3SYzyls by [email protected] |
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@johncarlosbaez I think you can make exactly the same analysis for the rubber b… |
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Post #AkSB1srcqamfOHadTk by [email protected] |
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@johncarlosbaez Nice warning sign :-) Reminds me of https://lifeboat.com/ex/war… |
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Post #AkSCl9epM7SESbkpQ8 by [email protected] |
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@johncarlosbaez I think you are mixing two levels of abstraction and descriptio… |
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Post #AkSCl9kV11zWkCPMGG by [email protected] |
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@juanfal - it often helps to study macroscopic systems using thermodynamics, a… |
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Post #AkSEETV0lPrcLmhwCe by [email protected] |
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Good point, but you'll notice I gave two quick examples and then a puzzle. … |
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Post #AkSEaPUgKtgkIb0sVM by [email protected] |
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@OscarCunningham - yes yes, and yes! |
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Post #AkSPs4Xk4GBA1v4LI0 by [email protected] |
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@esoteric_programmer - I have a free Wordpress blog that converts LaTeX to litt… |
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Post #AkSQ958N7lkQmkJTiS by [email protected] |
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@johncarlosbaez All this compressing and heat exchange makes me think of stirli… |
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Post #AkSQ95E2mgHj4Ky0Ya by [email protected] |
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@androcat - thermodynamics evolved from the study of heat engines, and I am now… |
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Post #AkSQLqubJTKCRNxfCy by [email protected] |
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@dduque - wow, this is really interesting! I hadn't known about this; I… |
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Post #AkSSZg16oiouc3j1CC by [email protected] |
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@johncarlosbaez Stirling engines are really interesting.And they are cutting-ed… |
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Post #AkSSZg7UQzvMvqi78q by [email protected] |
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@androcat - cool! More to learn about. I studied a microscopic amount about h… |
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Post #AkSauhAKXZiTtFZVQ0 by [email protected] |
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@ralf_muschall - Okay, I was mistakenly thinking the molecules repelled slightl… |
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Post #AkTDi3Lke4Td8nsOvo by [email protected] |
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@johncarlosbaez Interestingly, Newton calculated the speed of sound based on is… |
