The Biggest Ideas in the Universe | 13. Geometry and Topology

Author: Sean Carroll

The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that help us understand our natural world. Exceedingly casual, not overly polished, and meant for absolutely everybody.

This is Idea #13, “Geometry and Topology.” Yes that’s two ideas, and furthermore they’re from math more than from science, but we’ll put them to good use. In particular we look at Riemannian (non-Euclidean) geometry, and a kind of topological invariants called “homotopy groups.”

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Video source Youtube

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