Using atomic nuclei could allow scientists to read time more precisely than ever – what this research could mean for future clocks

Most clocks, from wristwatches to the systems that run GPS and the internet, work by tracking regular, repeating motions. To ...
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Pendulum-Controlled Clock

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 ...