Atomic clocks. They almost sound like something out of science fiction, or an experiment confined to some elite physics lab, but in reality, they’ve been around since the 1950s in one form or another.

This is one amazing clock. Called L’Anchrone, its pendulum is activated by the weight of falling ball bearings. The guy took well over 18 months to design and build this intricate masterpiece, going ...

They're advanced, artistic, and a sight to behold—not to mention incredible ways of marking time. From Denmark to Japan, we introduce you to some of the world's most interesting public clocks. Take a ...