Researchers at the University of Basel and the Laboratoire Kastler Brossel have demonstrated how quantum mechanical entanglement can be used to measure several physical parameters simultaneously with ...

Entangled atoms, separated in space, are giving scientists a powerful new way to measure the world with stunning precision.

UK researchers shrink atomic fountain clock to 5 percent size, keeping ultra-precise time and making it portable for wider ...

The IAEA has said it has continued inspections at declared Iranian nuclear sites that were not damaged, but has been unable ...

A new chart for highly charged ions (HCIs) has been proposed, aiming to replicate the conventional periodic table’s ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more ...

On Jan. 27, the Bulletin's Science and Security Board will reveal the 2026 Doomsday Clock time during a live, in-person news ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock.

A study involving quantum collapse model has shown that time is not uniform but has tiny fluctuations that put limits on its ...

Now at 89 seconds to midnight, the clock is symbolic and has been maintained by the Bulletin of the Atomic Scientists since ...