2min chapter

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245 | Solo: The Crisis in Physics

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

How to Solve the Measure Problem

In practice, for specific examples of infinity minus infinity, maybe there is a perfectly unique well-defined procedure for turning that into a well-defined number. In the case of the cosmological multiverse, you just don't know. It might be hard to figure out how to regularize this particular limit of infinity divided by infinity. But I'm not that convinced by any of the current proposals that have been put forward.

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