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.

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

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 ...

The reconciliation of general relativity and quantum mechanics is one of the biggest challenges in science, one that ...

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