[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 ...

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.

Clocks have, over the centuries, been the high tech artifacts of their era—the water clock, the pendulum clock ... Darwin guessed that evolution required not just millions but hundreds of ...