Entering your destination into a navigation app and getting directions in real time, looking up nearby places to eat, getting items delivered to your doorstep — these activities are now second nature to you. You do them mindlessly, without even thinking about it. But up until only 25 years ago, this technology was nowhere near as accurate as it is today. The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force. Started by…
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