non-Euclidian geometry Archives

How Do We Know the Universe is Flat? Discovering the Topology of the Universe

7 Jun , 2017 by Fraser Cain

Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how do we know it’s true?

Podcast (audio): Download (Duration: 8:15 — 2.8MB)

Podcast (video): Download (Duration: 8:17 — 106.7MB)