Quantum suicide and immortality

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Quantum suicide is a thought experiment in quantum mechanics and the philosophy of physics. Purportedly, it can falsify any interpretation of quantum mechanics other than the many-worlds interpretation by means of a variation of the Schrödinger's cat thought experiment from the cat's point of view. Quantum immortality refers to the subjective experience of surviving quantum suicide. It is sometimes conjectured to be applicable to real-world causes of death as well. As a thought experiment, quantum suicide is an intellectual exercise in which an abstract setup is followed through to its logical consequences merely to prove a theoretical point. Virtually all physicists and philosophers of science who have described it, especially in popularized treatments, underscore that it relies on contrived, idealized circumstances that may be impossible or exceedingly difficult to realize, and that its theoretical premises are controversial even among supporters of the many-worlds interpretation. Thus...

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