However, aluminum is tricky. The element is difficult to measure with lasers, as well as cool to absolute zero. But when ...

The laser beam traveled 3.6 kilometers (over 2 miles) via fiber optic links to NIST, where a frequency comb (acting as a “ruler for light”) allowed the aluminum ion clock’s laser to adopt its superior ...

There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and ...

Researchers have just created a new super-heavy isotope of seaborgium, called seaborgium-257. This type of unstable atom does not exist naturally on Earth. Seaborgium-257 lasts for ...

We tend to think of the US as the atomic bomb’s creators. But we’re ignoring some crucial figures, as Gareth Williams’s superb book argues ...

Twenty years ago, the adoption of the Amendment to the Convention on the Physical Protection of Nuclear Material (A/CPPNM) marked the start of a new era in international efforts to counter the risk of ...

In the wake of recent strikes by Israel and the United States on Iranian cities, military sites and nuclear facilities, a ...