This Halloween, when you grab a candy bar, pay attention to the wrapper. In the United States, a "nutrition facts" label has been required for all packaged foods since 1994, giving the serving size ...

Once tied to a metal cylinder in France, the kilogram has now been redefined using the fundamental laws of physics.

Physicists have found a way to redistribute uncertainty in quantum measurements, paving the way for ultra-sensitive ...

In a stunning leap for quantum optics, scientists have generated ultrafast light pulses whose quantum uncertainty can be ...

The Royal Swedish Academy of Science has awarded the 2023 Nobel Prize in Physics to Pierre Agostini, Ferenc Krausz and Anne L'Huillier for work that's "given humanity new tools for exploring the world ...

A hidden world of quantum metrologists ensure that everyday devices perform safely and correctly, but their work is never done ...