Previously, [Vinnie] had been stopping the clock every evening, and hoped he would remember to start the pendulum in motion 12 hours later. This was a chore, so he decided to automate the process.

That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum ...

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

A new study in Physical Review Letters has used atomic clocks to study relativistic effects in interacting quantum systems.

Sadly, my grandparents are long gone, and I’m afraid I don’t know what happened to those clocks. They disappeared sometime ...

The film explores the elusive concept of time, emphasizing the difficulty of defining it. It discusses various methods of measuring time, from simple clocks to advanced atomic clocks, and highlights ...