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The amazing science behind your smartphone’s GPS will blow your mind

20150207-Smartphone-GPS-TedEd

You get GPS in virtually all smartphones today and we use the technology everyday that its taken for granted. GPS helps get us to office on time, helps us find new interesting places and can even help us to be found during emergencies. But do you know how much amazing science goes into making GPS work?

From a multi-billion dollar network of satellites orbiting almost 20,000 kilometres over your head to quantum mechanics to Einstein’s Theory of Relativity and ultra-accurate atomic clocks powered by cesium atoms, the science behind your smartphone’s GPS will blow your mind.