F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

Net-zero targets compel countries to urgently replace fossil fuels with low-carbon sources that can meet round-the-clock demand ... via the International Atomic Energy Agency (IAEA) and World ...

Whether the strange sightings are classified as 'drones' or 'unidentified aerial phenomena' (UAP), government officials are ...

“It takes no small amount of imagination to understand ... A news kiosk in Tehran, where headlines mentioned a round of talks in Oman last Saturday.Credit...Arash Khamooshi for The New York ...

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

According to scientists at NIST in Boulder, their newest atomic clock, the NIST-F4, will help track time more precisely and ...

Inside the National Institute of Standards and Technology, or NIST, a new atomic clock named NIST-F4 has begun to tick — not with the sound of gears or bells, but with the quantum pulse of cesium ...

Two cutting-edge atomic clocks — the most accurate ever created — have launched on a SpaceX rocket and are on their way to the International Space Station. In the coming months, they will use ...

NIST scientists have published results establishing a new atomic ... The NIST-F4 clock was carefully and painstakingly assembled and tested over the last few years. By joining a small group ...