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How Does GPS Work? (High-Tech Science, 4)

Gray, Leon

 
9781482403930: How Does GPS Work? (High-Tech Science, 4)

Synopsis

When taking a road trip today, some sort of GPS device is essential. It may be built into the car's dashboard, or perhaps it's just an app on a smartphone. But GPS is used for more than just finding your way! Readers will be fascinated by its beginnings as a military system and its many modern uses, such as catching criminals, predicting earthquakes, and creating maps. Colorful photographs illustrate real-life examples of GPS technology, military and civilian, and informative text clearly explains the science and math concepts behind the satellites and receivers used all over the world.

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About the Author

Leon Gray is a highly experienced children's book author who has written titles on many subjects, from science and geography to world issues. Before becoming an author, he worked in book publishing in London. Leon now lives in Scotland and is married with three children.

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