International Atomic Energy Agency says Israeli strikes had 'direct impacts' on Natanz underground centrifuge halls.

Time travel may be a staple of science fiction, but physics tells a more complicated story, one that’s still unfolding.

Scientists have found a surprising new way to make clocks much more accurate without using a lot more energy. This ...

The field of quantum sensing is concerned with the design and engineering of quantum sources and quantum measurements that ...

Scientists have taken a major step toward the ambitious global goal of “redefining the second” by the end of this decade. A ...

The development of an attosecond atomic X-ray laser marks a significant advancement, facilitating the study of electron ...

Every clock in your house probably tells a slightly different time. Now picture those clocks as the most precise instruments humanity has ever built, so accurate that they wouldn't lose or gain a ...

In a new study, researchers carried out the most extensive coordinated comparison of optical clocks to date by operating ...

In a new study, researchers carried out the most extensive coordinated comparison of optical clocks to date by operating clocks and the ...

The team used high-energy pulses from LCLS and Japan’s SACLA XFEL to create their new laser through stimulated emission. In this study, the pulses were focused onto copper or manganese targets, with ...

Courtesy of Barbara Kent The flakes were fallout from the Manhattan Project’s Trinity test, the world’s first atomic bomb detonation ... 2022. In light of this looming deadline, on September ...

Quantum effects are widely used to achieve extremely precise measurements. But what is the ultimate limit of time accuracy?