Reading a quantum clock takes more energy than operating it

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

Reading a Quantum Clock Costs More Energy Than Actually Running One

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

To optimize health, sync your habits with your body clock. Here's how

Scientists say the return to "standard time" is good for our health. But the time change can be disruptive and we must also ...