A study led by the University of Oxford has identified a surprising source of entropy in quantum timekeeping—the act of measurement itself. In a study published in Physical Review Letters, scientists ...

The clock the team used to demonstrate this principle consists of a pair of quantum dots coupled by a thin tunnelling barrier ...

As we enter autumn and winter, it’s the time of year the clocks go back, meaning the days will get shorter and the evenings will get dark earlier. Twice a year, the clocks change to reflect the ...

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The nights are growing longer and getting colder — a sign that the clocks are about to go back an hour for the fall 2025 time change. Here's when and what to know about the end of daylight saving time ...

Daylight saving time in 2025 ends soon after Halloween, on Sunday, November 2, when we turn clocks back one hour. In 2026, daylight saving time begins again on Sunday, March 8, leading to more ...

It's time to fall back. Daylight saving time ends this weekend. On Sunday, Nov. 2, at 2 a.m., clocks will "fall back" to standard time, where they will remain until next spring. Since we gain an hour, ...

On Sunday 26 October, daylight saving time comes to an end, and winter truly begins: as the clocks go back, the sun sets even earlier, we're all feeling a bit burnt out, and it's pitch black by the ...

Thanks to Daylight Saving Time (DST), we are once again approaching the time of the year when the clocks change and we all try to work out whether this means we're about to lose or gain an hour of ...

As we move away from summer and towards the winter months, the days are getting ever shorter and dark evenings are beginning to creep in. And as we head towards the end of October it means a clock ...

Michigan will soon gain an hour this fall as we return to standard time in early November. On Nov. 2, Daylight Saving Time will end, and if you have any manual clocks at home, remember to set them ...