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army1987 comments on Stupid Questions Open Thread Round 2 - Less Wrong Discussion

15 Post author: OpenThreadGuy 20 April 2012 07:38PM

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Comment author: [deleted] 21 April 2012 08:53:59PM *  5 points [-]

You're thinking according what pragmatist calls the “old version” of MWI. In the modern understanding, it's not that an universe splits into several when a quantum measurement is performed -- more like the ‘universes’ were ‘there’ all along but the differences between them used to be in degrees of freedom you don't care about (such as the thermal noise in the measurement apparatus).