“Quantum clocks running at the smallest scales were expected to lower the energy cost of timekeeping, but our new experiment ...

Quantum timekeeping is supposed to be the ultimate in efficiency, with tiny devices that tick using the rules of quantum ...

The steady tick of a clock usually feels simple and dependable. Something swings or vibrates in a controlled rhythm and marks ...

The tick-tick sound comes from the movement of gears and parts inside the clock. In mechanical clocks, a part called the escapement mechanism controls this sound.