Its melting point is 28.7 C, and it boils at 690 C. The electronic configuration of Cesium is (Xe)(6s 1). Its atomic radius is 0.267 nm. At room temperature Cesium has a body-centered cubic crystal ...

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

Cesium fountain clocks such as NIST-F4 are a type of atomic clock—a complex, high-precision device that extracts timing pulses from atoms. These clocks play a critical role in our globally ...