The Ancient Greek Water Clock That Kept the Most Accurate Time for 1,800 Years
Summary
Open Culture examines the ancient Greek clepsydra water clock credited to Ctesibius, detailing how a vertical cylinder with a steady water feed and a siphon reset kept time. It notes that this device kept better time for 1800 years until the pendulum clock and frames the water clock as a foundational step toward automation and timekeeping, with a Deconstructed animation illustrating the mechanism.