Newly revised and updated introduction to time--its measurement, historic methods of timekeeping, uses of time information, and role of time in science and technology. Over 300 illustrations.
From dinosaur tracks to ancient cities to moon rocks, the authors explain how archaeologists and other researchers establish the ages of ancient things. There are stories about the discovery of the Lascaux cave paintings in France, and how a pig's tooth and a rat's jawbone indicate Columbus' first settlement in the New World. Photos and drawings. ...
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