The mechanical clock is an invention we all use today. According to historical research, the world's first clock was invented by Yi Xing, a Buddhist monk and mathematician of the Tang Dynasty (618 ...

To the ancient ... to the Chinese civilisation itself being destroyed by the high explosives of modern warfare. Similarly, the supreme achievement of the ingenuity of the craftsmen in the medieval ...

In modern times, clocks underpin everything people do, from work to school to sleep. Timekeeping is also the invisible structure that makes modern infrastructure work. It forms the foundation of ...

These modern electronic alarms are just the latest in a long sequence of methods used to wake us from sleep: from the watchmen on ancient ... amazing inventions — mechanical clocks, originally ...