Science
Quantum reality is either weirdly different or it collapses – Ars Technica
Either quantum state has to collapse at macroscopic level, or reality is unreal.
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Quantum mechanics, when examined closely, poses some deep questions about reality. These questions often take the form of thought experiments, which are later (usually much later) followed up by real experiments. One of the most difficult and deepest of these is a thought experiment proposed by Eugene Wigner in the 1960s, called “Wigners friend” (you dont want to be Wigners friend). Now, much later, Wigner and his friend have been formalized and extended. The re…
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