Handheld GPS

How does my handheld GPS know where I am?

The Global Positioning System (GPS) is one of the true wonders of modern science. It is one of the only human achievements that has combined both Einstein’s Special and General Relativity theories. Funded by the American Department of Defence (DoD), it is the cornerstone of most electronic navigation devices available to buy today. The Global Positioning System or GPS for short, is a network...

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