Cesium, or caesium, is an alkali metal on the periodic table with the atomic number 55. It is highly reactive and pyrophoric, meaning that the mere oxygen in the atmosphere is sufficient to make it go ...

You’ve given some thought to oxygen, carbon, uranium. But you’ve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and ...

Thirteen years after the nuclear disaster at the Fukushima Daiichi Nuclear Power Plant (FDNPP), a breakthrough in analysis has permitted a world first: direct imaging of radioactive cesium (Cs) atoms ...

You could slice through the world's softest metal with a plastic spoon, but you probably wouldn't keep your hand. Cesium looks like warm gold, feels like candle wax, and reacts like a grenade. At room ...

The Canadian mining sector is on a mission: To create the world’s most secure supply of critical minerals—without Chinese involvement. Critical minerals represent one of the most pressing present and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The 5071A Cesium Primary Frequency ...