Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
303 | AMA | February 2025
Sean Carroll
Universes tend to either expand or contract. You can't keep the universe fixed, in other words. So that's fine. I'm going to roll with the question. I know what you mean. But I just want people to know that in a world with physics as we currently know it, imagining a small universe that just sits there stationary forever is harder than you think. OK?
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