I’ve heard about this idea a lot, but on the flip side it doesn’t seem to make sense. Us as 3D beings can’t naturally encounter 2D things, just representations of them (drawings etc), but nothing in the real world that has just 2 dimensions. So how could it be possible for there to be 4 (or more) dimensions?
In: 3
This won’t answer your question directly, but imagine you’re a stick figure on a piece of paper living in 2 dimensions. You can look up, down, forward, or backward. To an observer like us, theres a third dimension to the left and right, but the 2 dimensional being can’t perceive it. Technically he’s still moving in a dimension of 3 dimensional space, but doesn’t have access to the 3rd.
The analogy would have to fit for a 3rd dimensional being in 4th dimensional space. Theres space in a direction outside of your perception.
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