Tom Scott

Why The Prime Meridian Isn’t At 0º

http://tomscott.com – http://twitter.com/tomscott – If you travel to Greenwich, stand on the famous Prime Meridian Line — which is marked with a physical line and a sculpture at the Royal Observatory — and look at your GPS, it won’t read 0° longitude. It’ll be slightly out. Who’s right? And why?

Many thanks to my lovely cameraman Tom Morris (http://tommorris.org), who dealt with the cold wind admirably!

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