Ancient Inventions. Este artículo no está disponible.Ancient Inventions

A guide to ancient accomplishments and inventions unearths the origins of modern creations including computers in ancient Greece, a postal service in medieval Baghdad, and plastic surgery in India in the first century B.C. 30,000 first printing.

team engines to Roman fire engines . . . Aztec chewing gum to Etruscan false teeth . . . earthquake detectors in China to electric batteries in Iraq . . . stone-age brain surgery to middle-age hand grenades . . . here's a lively and fascinating look at the genuine wonders of the past.