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Ancient History: 10 Ancient Greek Inventions and Discoveries Still Used Today
Ten of the important inventions and innovations of the ancient Greeks are described. These include the water mill, the odometer, alarm clocks, cartography, the Olympics, geometry, Hippocratic medicine, philosophy, democracy, and...
Smithsonian Institution
National Museum of American History: On Time: Alarm Clock
People awoke not with the rising of the sun, but with the rude, mechanical jangling of an alarm clock at their bedsides. The clock, rather than the sun or any rhythms of nature or body, determined the patterns of life and work. People...