Measuring time using the Earth’s rotation was always an imprecise business, so now we do it using the ‘tick’ of an atom

The tech revolution that manipulates the subatomic world

Amazing answers to your curious questions

It’s time for an upgrade… so Chris Rowlands clocks in with a selection of top tickers for counting the hours in style

One in three adults in the UK struggles to sleep through the night; among them is writer Nick Pope. Could embracing the multibillion-pound sleep economy fix his night-time woes or would obsessively attempting to crack bedtime cause another problem altogether?

YOU KNOW THERE’S something special happening when the room is packed with more Watchworld royalty than a Friday night in Geneva’s Hotel Beau-Rivage bar. The evening was all about Ferdinand Berthoud’s