Using this design, you can construct an electromagnetically impulsed pendulum clock with a 1-second beat. On the prototype, the pendulum rod is 115cm long with a bob adjusted to make it beat every ...

Pendulum clocks, a big advance over the hourglasses and sundials humans once peered at, remained the most precise timekeeping technology until the early 1900s. Based on Galileo’s discovery that ...

Christiaan Huygens was a busy scholar. Among his many achievements, the Dutch scientist figured out the shape of Saturn's rings and discovered that planet's largest moon, Titan. He founded the theory ...