Extra History

The History of Non-Euclidian Geometry - A Most Terrible Possibility (47x4)

Air date: Jun 16, 2018

In the early 19th century, people started to wonder if the Fifth Postulate couldn't be proven at all--meaning that it could be right, but it could also be wrong. Bolyai, Lobachevsky, and Riemann started exploring hyperbolic geometry and other strange realms...