While better known in Europe than America, the Swiss firm made fancy clocks and watches for the likes of J.P. Morgan and the Royal Navy.

The ion trap of the new In+/Yb+-crystal clock in its vacuum chamber. The Ions are trapped in the gap that can be seen in the middle of the picture between the gold electrodes (target). A shown-up ...

Winter is winding down as the sun is setting later each day, but nothing says spring like the day we spring the clocks forward. Under the current daylight saving period, most Americans will lose ...

Winter is winding down as the sun sets later each day, but nothing says spring like the day we spring the clocks forward. Under the current daylight saving period, most Americans will lose an hour ...