He politely but unequivocally waves off the idea that a conscious observer collapses wave functions by looking at them. “I shouldn't be so blunt because very distinguished people seem to have taken that view.” Penrose demurs. “The point of view that it is consciousness that reduces the state is really an absurdity,” says Penrose, adding that a belief in Many Worlds is a phase that every physicist, including himself, eventually outgrows. This is the Multiverse or Many Worlds theory. These worlds would be parallel yet inaccessible to us so that we only ever see things in one single state in whatever possible world we’re stuck in. Another theory is that a conscious observer causes the universe to split apart, spiraling out alternate realities. One proposal is that a conscious observer causes collapse. The measurement problem has led many physicists and philosophers to believe that a conscious observer is somehow acting on quantum particles.
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