Quantum physics, Einstein’s theory of relativity and atomic clocks that are accurate to one billionth of a second — all of these are crucial in allowing your smartphone to pinpoint your precise location almost anywhere on Earth. It’s called the Global Positioning System, or GPS.

Source: QUEST

Science Spotlight: How Your Smartphone Knows Where You Are 17 November,2015Derek Lartaud

Author

Derek Lartaud

Derek Lartaud came to the Bay Area after nearly five years of researching schizophrenia and diabetes at Yale University. Determined to tell visual stories, he’s worked for the BBC, Al Jazeera America, TIME, PBS, and the Center for Investigative Reporting. He has a bachelor’s degree in neuroscience and a master’s degree in journalism. When not holding a camera or editing a story, he’s trying to rebuild his 1969 Honda CL350.

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