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 ...

They jump up in the morning to the sound of an alarm clock, swing like the clock pendulum and show the different speeds of the clock hands. They then put all their actions and move together for ...