Your phone finds you using the pulse of an atomic clock
In short: While your phone seems to know your location instantly, the secret lies 12,000 miles above the Earth. This video explains how orbital satellites and quantum mechanics work together to map your every move.
The Global Positioning System (GPS) relies on a network of satellites orbiting the planet. Each satellite carries an atomic clock, which is powered by quantum mechanics, to maintain incredibly precise timekeeping.
By measuring the time it takes for signals to travel from these satellites to your device, your smartphone can triangulate your exact position on Earth. This technology transforms complex physics into the everyday convenience of mapping a route or finding local events.
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Sources
- Summary by Intellect · source: How does your smartphone know your location? - Wilton L. Virgo
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