Topology at vismath
Film: Clouds are not Spheres
Set in a world of only two dimensions inhabited by sentient geometrical shapes, the story follows Arthur Square and his ever-curious granddaughter Hex. When a mysterious visitor arrives from Spaceland, Arthur and Hex must come to terms with the truth of the third dimension, risking dire consequences from the evil Circles that have ruled Flatland for a thousand years.
Film: The Colours of Infinity
Arthur C. Clarke takes us into the world of fractals. We learn about their discovery, their fascinating properties, and about the people who use them. Fractals have been discovered in the 1980s by Benoît Mandelbrot who is also interviewed in this movie.