The Idea We usually only see a lower-dimensional distortion of reality and the people around us. In 1884, Edwin A. Abbott created a mathematical thought experiment and published it in a novella called Flatland. In it, he describes the hypothetical world of objects that exists only in two dimensions — circles, triangles, squares, hexagons, and so on. All of these have some length and width, but no height as they live on a flat surface where up and down do not exist.
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