So I stumbled upon a video of how it’s like to live in a 2D world where you all you would is lines and you can only see from your sides technically speaking. I think I have a grasp of how a 3d world works when it comes to moving around. So how does one move in 4D world?
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Just like we move around. They can go forward and backwards, left and right, and up and down. Each of those direction pairs is a dimension, that is perpendicular (90deg angle) to all previous dimensions.
However, since they’re 4 dimensional beings, they can also move in a 4th direction that is perpendicular to all 3 previous dimensions. Since we exist in 3D space it’s basically impossible for us to visualize this, but to them it would be no different than the difference between up/down and left/right.
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