Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, developed by Beichen Huang and colleagues at Tsinghua University and by Luca ...

For the first time, scientists used an atomic nucleus as a clock. The world’s most precise timepieces are made using atoms, specifically their electrons. But clocks based on atomic nuclei — protons ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Lawmakers in Washington are once again pushing to end the twice‑yearly ...

Few concepts in physics are as familiar, yet as enigmatic, as time. In Einstein's theory of relativity, time is not absolute: its passage depends on motion and gravity. But when combined with quantum ...

Most clocks, from wristwatches to the systems that run GPS and the internet, work by tracking regular, repeating motions. To build a clock, you need something that ticks in a perfectly repeatable way.

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

The days are growing longer and warmer, a sign that spring is near and daylight savings time begins soon. Here's when to set the clocks forward for the 2026 time change and daylight saving time start ...

This weekend, clocks will "spring forward" as Iowa and nearly the rest of the United States switch to daylight saving time for spring and summer. Daylight saving time always starts on the second ...

Daylight Saving Time returns this weekend, and that means it’s time once again to change your clocks. The spring 2026 DST is set for 2 a.m. on Sunday, March 8. At that time, clocks will “spring ...

The start of daylight saving time, the time period in which many Americans set their clocks ahead by an hour, is fast approaching. The seasonal time change when we "spring forward" will occur on ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Clocks "spring forward" in the U.S. and Canada on March 8 and in the U.K. and Europe on ...

Follow this section to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this tag to personalize your feed and get ...