If one electron from a singlet pair sitting in the same atom jumps across into a neighboring atom, its spin can flip over so that it is now spinning in the same direction as the twin it left behind, creating a triplet spin state. However, despite now being in different atoms, the pair can still maintain their delicate entangled state in which they remain quantum mechanically coupled together. But this is the quantum world, and just because the electron that jumped out of the atom can now flip its spin, this doesn’t mean that it definitely has. Each of the two electrons will still be in a
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