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

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 ...

Get Instant Summarized Text (Gist) A compact optical clock utilizing quantum interference enhanced absorption spectroscopy on the D 1 line of rubidium achieves high frequency stability with low ...

Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

In setting the Doomsday Clock, the Bulletin’s Science and Security Board consults widely with colleagues across a range of disciplines and considers qualitative and quantitative information from a ...