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entirelyuseless comments on The Philosophical Implications of Quantum Information Theory - Less Wrong Discussion

5 Post author: lisper 26 February 2016 02:00AM

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Comment author: entirelyuseless 02 March 2016 10:03:10PM 0 points [-]

I disagree: if you interpret EPR experiments as wavefunction collapse rather than many worlds, then you can conclude that either one measurement affects the other, or both affect each other. But you cannot come up with any encoding that will allow you to transmit information.

Comment author: lisper 02 March 2016 10:36:33PM 0 points [-]

Yes, of course that's true. But collapse is only an approximation to the truth. It is a very good approximation in many common cases. But the Aharonov experiment is interesting precisely because it is a case where collapse is no longer a good approximation to the truth, and so of course if you view it through the lens of collapse things are going to look weird. To see why collapse is not always a good approximation to the truth, see the references in the OP.