I get the idea of dimensions of reality and how there are eg infinite two dimensional planes in our 3d one. What I don’t get is why they can’t be moved between. In a 3d cube we can draw a 2d line between any two points by changing the direction.
Applying this to reality, if we exist in a universe with more than 3 dimensions, why are we unable to change the “direction” we are in?
I’ve often heard extra dimensions described as planes but why can we not change planes in the same way a diagonal line would. Is it because the concept of a higher dimensional direction doesn’t exist in our lower dimension?
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>I’ve often heard extra dimensions described as planes
Those physics theories that hypothesize the existence of more dimensions usually need a mechanism that hides them from us. For example they can be “folded”, wich basically means you can’t move more than a microscopic bit into that 4th+ direction before reaching the end of it.
We are very far away from confirming any of those theories though. It’s just an idea of many that could solve some difficult physics questions.
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