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If simulation is possible, we could upgrade reality to 4D
(sh.itjust.works)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
Fyi, string theory, which is a popular, well known theory that assumes 11 dimensions, doesn't really have that much appeal in the scientific community. It's still fun to talk about tho