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Multiverse Theories Are Bad for Science

November 25, 2019

Multiverse Theories Are Bad for Science
Moreover, at a time when our world, the real world, faces serious problems, dwelling on multiverses strikes me as escapism—akin to billionaires fantasizing about colonizing Mars. Here a Universe, There a Universe. . .” and kept the tone light, because I didn’t want readers to take these cosmic conjectures too seriously. Various other explanations have been proposed, but most are either implausible, making human consciousness a necessary component of reality, or kludgy, requiring ad hoc tweaks of the wave function. The electron exists as a kind of probabilistic blur until you observe it, when it “collapses,” in physics lingo, into a single position. This process, called “decoherence,” happens all the time, everywhere. And however preposterous it might seem, a multiverse, Carroll argues, is an inescapable consequence of quantum mechanics. The universe supposedly splits, or branches, whenever one quantum particle jostles against another, making their wave functions collapse.

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