(1) (Data West Research Agency definition: see GIS glossary.) The closeness of results of observations, computations, or estimates of graphic map features to their true value or position. Relative ...

Analysis: Measuring time to the 19th decimal place, as nuclear clocks could do, would allow scientists to study very fast processes Time is vital to the functioning of our everyday lives, from the ...

Vittorio Aita does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Researchers have measured an optical clock's ticking with record-breaking accuracy while also showing the clock can be operated with unprecedented consistency. These achievements represent a ...