if we lived in 4 spatial dimensions our cables would never get tangled. really makes you think
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there's this funny anthropic argument that we have to live in at least 3 spatial dimensions because 3 is the minimum number of dimensions in which every finite graph embeds
so 3 is the smallest dimension in which we can arbitrarily hook up e.g. organs, neurons, etc.
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also, if we had four spatial dimensions, knots would not hold and all matter would just unravel
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i've never read it but does the author discuss how like... digestion would work in 2d?
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Please don't. Some postdoc is reading this and might try to develop such a thing as a joke.
