Clocks are ancient devices because people have always needed to keep track of time. Around the world, sundials, water timers, candle clocks and hourglasses were the earliest timekeepers. However, once ...

Hang two pendulum clocks on the same wall, and over time, something strange will happen: the two clocks will tick in synchrony. Renowned Dutch scientist Christiaan Huygens, the inventor of the ...

A group of researchers may have finally found the answer to the mysteries surrounding the perfectly synchronized manner of swinging by two pendulum clocks. The flawless dance of two pendulum clocks ...

The size and shape of a clock’s mechanism often determined how the case that held it looked. The 18th-century tall-case, or grandfather, clock was made to hold a long pendulum. In 1816, Eli Terry ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Aaron D. Crane (1804-1860) of ...

Here’s how to build a pendulum-controlled clock which can be made really accurate. Retro? – yes, but an interesting project all the same. You’ll need a spare quartz clock which must be adapted by ...