The Global Positioning System The Path From Research to Human Benefit (1996) / Chapter Skim
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The clocks were created by physicists seeking answers to questions about the nature of the universe, with no conception that their technology would some day lead to a,global system of navigation Today, GPS is saving lives; helpin~ society in countless other ways; and generating 100, 000 jobs in a multi-billion-dollar industry. The following article, adapted from an account by physicist Daniel I(leppner, describes how the GPS was conceived and developed.
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