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3min chapter
Ask Me Anything | April 2023
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
Different Kinds of Infinity in Physics
There are two kinds of infinity that are relevant. The countable infinity of the integers and the uncountable infinity, which is bigger. But we don't have any experiment that would actually distinguish between a theory involving countable numbers versus a uncountable continuum. Does the world really involve different kinds of infinities? There's no super strong evidence.
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