Have you ever wondered how your smartphone can pinpoint your exact location on a map, or how it can guide you to your destination with turn-by-turn directions? The answer is GPS, or Global Positioning System, a network of satellites that orbit the Earth and send out signals to your phone. But how does GPS work, and what makes it so accurate and reliable? In this video, we will explain the science behind GPS, and how it uses the principles of quantum mechanics and relativity to measure time and distance with incredible precision. We will also explore some of the applications and challenges of GPS, and how it has revolutionized our lives in many ways.
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