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DanielLC comments on The Futility of Emergence - Less Wrong
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Non-superconductivity means that moving electrons through it will result in the atoms moving unpredictably. It is a product of how electrons and atoms interact. It is less emergent than how, if they interact a different way, the atoms will not start moving unpredictably.
It's made up of non-superconductive subsystems in that if you take a little piece of it, that will be non-superconductive, but the same applies to a superconductor. You can't just take one atom and say whether or not it's superconductive. A current can't flow through one atom in a relevant sense.
I think that the point is that emergence is in the mind of the observer. If the observer is describing the situation at the particle level, then superconductivity is not there regardless of the size of the collection of particles considered. But, when you describe things at the flowing-electric-fluid level, then superconductivity may emerge.
Conductivity isn't there either unless you describe them at the flowing-electric-fluid level.