The funny thing about clocks is that the more intriguing they are to look at, the more precious time is wasted. This steampunk clepsydra is no exception. A clepsydra, or water thief clock is an ...

In ancient times the sun was used to measure time during the day, but sundials weren’t much help after dark, so peoples around the world invented clocks that used dripping water to mark the hours. In ...

Water clocks have been used to track time since the Three Kingdoms Period (57 B.C.-A.D. 668). Jagyeongnu, made in 1434 during the reign of King Sejong of Joseon (1392-1910), was the first water clock ...