Showing results for "Twelve" in History

From the city sundials of ancient Rome to the era of the smartwatch, clocks have been used throughout history to wield power, make money, govern citizens and keep control. Sometimes, also with clocks, we have fought back. In About Time, time expert David Rooney tells the story of timekeeping, and how it continues to shape our modern world. In 12 chapters, demarcated like the hours of time, we meet the greatest inventions in horological history, from medieval water clocks to monumental sundials, and from coastal time signals to satellites in Earth's orbit.

Highlighting the careers of well-known inventors, this exploration of failure amid greatness reveals the lesser-known and most fascinating facts about their careers, their wackier hobbies, and their big flops alongside great successes. Thomas Edison, for example, not only revolutionized the world with the light bulb but also designed a concrete piano, a nonoperational helicopter made from box kites and piano wire, and a machine to speak to the dead.