The Korea Research Institute of Standards and Science has successfully developed a length measurement system that achieves a ...

Metrologists and policy-makers from 60 countries around the world have unanimously agreed to change the definition of four units of measurement. At a meeting today at the General Conference on Weights ...

Dreams of new physics fade with latest muon magnetism result Precision test of particle’s magnetism confirms earlier shocking findings — but theory might not need a rethink after all.

This is the first expansion of the measurement system since 1991, according to the National Physical Laboratory. "R" and "Q" represent ronna and quetta while "r" and "q" represent ronto and quecto.

The new terms are part of the International System of Units, also known as the metric system, which is the primary measurement system for every country in the world apart from Myanmar, Liberia and ...