Clocks and Watches

Where would we be without our clocks and watches? We'll explore the inner-workings of timepieces as well as look at some specifics, such as smart watches, Indiglo, digital watches and pendulum clocks.

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Curious about how a self-winding watch works? Take a look at the mechanics inside a self-winding watch.

Indiglo watches convert electricity directly into light through the very efficient process of electroluminescence. Find out how it works!

Have you ever looked inside a grandfather clock or a small mechanical alarm clock? Pendulum clocks are fairly complicated, but they rely on simple forces. Find out how pendulum clocks keep accurate time.

By Marshall Brain


When you need to know the time, there's about a 50-50 chance you'll turn to some LEDs to find out. Have you ever wondered what goes on inside a digital clock or watch?

By Marshall Brain

Wind-up alarm clocks have been around a long time, but they are still fun to explore. See what's inside this classic ticker!

By Marshall Brain

Quartz watches actually use quartz crystals to keep time. How can they be so accurate? Find out why quartz makes such a great time keeper.

By Douglas Dwyer