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Quantum Mechanics - Effect Before Cause

steveb3210 (962811) writes | more than 2 years ago


steveb3210 (962811) writes "Physicists have demonstrated that making a decision about whether or not to entangle two photons can be made after you've already measured the states of the photons — can decisions made in the future really effect measurements that were made in the past?"
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Ask Albert Einstein (1)

Droog57 (2516452) | more than 2 years ago | (#39786471)

Albert just about exploded his mighty brain trying to come up with a thought experiment that would refute this concept, but Niels Bohr ended up winning that argument. File this under "strange but true".

Effect before cause (1)

LeadSongDog (1120683) | more than 2 years ago | (#39787245)

... all depends on your definition of "before", doesn't it!
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