GPS, Relativity, and Nuclear Detection

The video explains how GPS functions as a global clock system, using signals from satellites to determine location. It highlights the importance of atomic clocks and the effects of relativity on timekeeping in space. The video also discusses the initial skepticism of engineers regarding relativity's impact on GPS and how GPS can detect nuclear detonations.

What is the primary function of GPS satellites?

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How does a GPS receiver determine its location?

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What role do atomic clocks play in GPS navigation?

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What are the effects of special and general relativity on GPS satellites?

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In what way can GPS technology be used as a nuclear weapons detector?

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