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TED-Ed

How does your smartphone know your location? - Wilton L. Virgo

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23,856 Questions Answered

TEDEd Animation

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GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics.

Watch the video and finish the Think section to complete the lesson.


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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

Educator
Wilton L. Virgo
Animator
Nick Hilditch
Script Editor
Alex Rosenthal
Narrator
Addison Anderson

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