Tom Scott Explains Why the Prime Meridian Is Not at 0º Longitude on GPS

In the latest episode of Things You Might Not Know, host Tom Scott explains why the prime meridian at the Royal Observatory, Greenwich in London, is not actually at 0° longitude according to GPS. In his explanation, Scott discusses how the Earth is not round, and describes disagreements among various mapping systems.

E.D.W. Lynch
E.D.W. Lynch

Writer and humor generalist on the Internet and on Facebook.