From Steve Spangler I learnt this "party trick" demonstration of how the polymer molecules (polyethylene) in a plastic bag are entangled with one another.
I was not sure that it would work as easily as it did for him. But it did!
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The triumphs of lattice gauge theory
When first proposed by Ken Wilson in 1974, lattice gauge theory was arguably a toy model. He treated space-time as a discrete lattice purely...
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If you look on the arXiv and in Nature journals there is a continuing stream of people claiming to observe superconductivity in some new mat...
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