F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

The clock can be the rotation of a planet ... One of the earliest methods for fictional time travel didn't involve a machine; the main character in Washington Irving's "Rip van Winkle" (1819 ...

One of those parts he had lying around was a backglass for an old machine, and decided to turn it into a unique word clock. The original pinball machine was built in 1956, and despite its age the ...

Never? We don’t blame you, but only because you haven’t seen this fruit machine clock in action yet. Every 60 seconds, the reels start spinning like some little man inside pulled the lever on ...