Our caesium fountains are among only 12 worldwide. Meet the timekeepers who watch over them at the IST Metrology Division in New Delhi.

At first glance, the image looks like something no camera should be able to capture. In reality, it was produced using a ...

Columbia researchers Sebastian Will and Nanfang Yu combine optical tweezers with metasurfaces to trap over 1,000 atoms—with the potential to capture hundreds of thousands more.

A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United States. Reading time 2 minutes The official standard time of the United ...

Researchers from the Purple Mountain Observatory in China released LTE440, short for Lunar Time Ephemeris, in a recently ...

An editorial that ran recently in The Morning Call warned us of the peril of ignoring the Bulletin of the Atomic Scientist’s ...

What the Clock: Internet time servers are a critical part of the infrastructure used by companies and organizations that rely on atomic clocks to keep accurate time. A US agency responsible for ...

Atomic clocks and frequency standards represent the pinnacle of precision timekeeping technology. By harnessing the natural oscillatory behaviour of atoms, these devices deliver unparalleled accuracy ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The acquisition, which is subject to closing conditions, would encompass Quantum’s proprietary intellectual property portfolio, including an innovative patent for ...

NIST confirmed several public time servers lost their atomic reference signal A generator failure interrupted the distribution of America’s primary atomic time scale Some NIST servers responded ...