You probably have one on your nightstand. Or your wrist. It glows in the dark and tells you exactly what time it is. But have you ever stopped to wonder how it actually does that?
Most people just assume it’s magic. Or maybe they think there’s some complex computer chip humming away inside. The truth is simpler. And more interesting.
You are about to see exactly how a digital clock or wristwatch works under the hood. You will learn the mechanics. You will understand the flow of electrons. And yes. You will even learn how to build your own.
But first. You have to look inside. You have to see what is really going on when the numbers change.
