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Explains how archaeologists and other researchers determine the ages of ancient things in an exciting, fact-filled science book discussing the various tests that can be performed and the meanings behind significant markings and natural clues, such as tree rings.

Explains how recent scientific advances have revolutionized knowledge about the universe

Traces the development of modern physics, analyzing such subjects as Newton's laws, Maxwell's equations, and Einstein's theory of relativity and explaining quasars, black holes, pulsars, leptons, and quarks

Explains how computers work, explores their limitations, and looks into applications of computers, from figuring tax deductions to directing robots and controlling the world's communications network

The development of telecommunications is traced from the birth of the telephone, telegraph, and radio through the invention of the transister, electronic chip, optical fiber, and laser signal