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amelius
on Feb 29, 2016
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Can planes be tied in knots in higher dimensions t...
> Ordinary knots (that you can tie with string) can only exist in exactly 3 dimensions.
Or a higher dimensional space.
ingenter
on Feb 29, 2016
[–]
In a 4-dimensional space, 1-dimensional knots are trivially untied, because you can pass strings through strings by "lifting" the string into fourth dimension (strings can "pass through" each other).
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Or a higher dimensional space.