How GPS Works and Why We Need It

Next Generation Science

This educational video provides a clear and engaging explanation of the Global Positioning System (GPS), tracing its evolution from a military tool to an essential part of daily civilian life. The video begins by contrasting modern digital navigation with the traditional use of paper maps, highlighting the convenience technology has brought to travel. It then dives into the technical mechanics of GPS, explaining how a network of satellites orbiting Earth communicates with receivers in devices like smartphones to determine precise locations through signal timing.