
FAQ About Christiaan Huygens

How did Christiaan Huygens invent the pendulum clock?
Christiaan Huygens invented the pendulum clock in 1656. He applied the Galileo pendulum theory, which states that a pendulum swings with a constant period, making it an ideal regulator for clocks. This invention greatly increased the accuracy of timekeeping devices, reducing the discrepancy from minutes to seconds per day.