Edwin Abbott, an English classics scholar and theologian whose hobby was higher mathematics wrote a charming classic called Flatland 1880s. Flatland is a two-dimensional space inhabited mostly by various equilateral polygons and ruled by circles.
The narrator, A. Square, explains how two-dimensional objects can recognize each other’s shapes by calculating angles. Except for triangles, irregular shapes present a public danger and are not allowed to live. He also explained their culture and history.
In their year 1000, someone went insane and insisted that a third dimension existed. He caused quite a commotion until the circles passed harsh laws against proclaiming such a ridiculous heresy.… Read the rest