[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the course of his experiments, he has learned quite a bit about how pendulums ...

Pendulum clocks aren’t used quite as often these days as their cumbersome mechanics and timekeeping abilities have long been outshone by electronic alternatives. However, they’re still fun and ...

New atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Enhancing the display's mesmerizing allure is a brass Foucault pendulum hanging five stories — about 70 feet — down from the center of the clock, which swings based on Earth's rotation.