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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Quantum justification for classical discussions of potential energy surfaces
In computational quantum chemistry, the Born-Oppenheimer approximation (BOA) is used to determine potential energy surfaces (PES) for elect...
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