The National Institute of Standards and Technology's new cesium fountain clock is one of the most precise atomic clocks ever ...

The way time is measured is on the edge of a historic upgrade. At the heart of this change is a new kind of atomic clock that ...

The story of caesium’s discovery concerns three men – two men who worked in tandem to announce their discovery on May 10, ...

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

Based on the rising and falling of cesium atoms under a microwave beam, the NIST-F4 atomic clock is so reliable that if it had started to run when dinosaurs existed 100 million years ago it would ...

Lightweight lithium metal is a heavy-hitting critical mineral, serving as the key ingredient in the rechargeable batteries that power phones, laptops, electric vehicles and more. As ubiquitous as ...

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 ...