The Visual Guide to Extra Dimensions: Visualizing The Fourth Dimension, Higher-Dimensional Polytopes, And Curved Hypersurfaces (A Fourth Dimension of Space Book 1)
that one could do in 0D, which is probably why Edwin Abbott called it Thoughtland [A1]. A 0D universe would not be physical, but philosophical.
Physicists, in fact, adopt seven fundamental dimensions – length, time, mass, temperature, electric current, luminous intensity, and mole number (or amount of substance)
A Euclidean space is “flat” – like a line or a plane; a curved space is said to be non-Euclidean.
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