Electromechanical circuits using relays are mostly a lost art these days, but sometimes you get people like [Aart] who can’t resist to turn a stack of clackity-clack relays into a functional … ...

The Clock app icon is like the analog clock that we know from iPhone and iPad. It shows the current time when placed on the Dock or in Launchpad, but there’s no seconds hand.

An analog clock is usually a round device with physical hands that move smoothly around a clockface numbered with values 1 through 12. These are smooth sweeping clocks with second hands that don't ...