The modern metric system, called the Syst me International d Unit s (or the International System of Units in English), was finalized in its current form by international agreement in 1960 and is the ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the 1970s, after metric units of ...

Attributes of measurement and control devices require the use of units of measurement to define the physical properties. Units commonly used in such applications are of the English system (such as ...

When comparing or combining an area or volume it is important to measure the objects using the same units. Without converting the areas into the same unit, it might be difficult to tell, for example, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

This week is the 41st anniversary of the Metric Conversion Act, which was signed on December 23, 1975, by President Gerald R. Ford. Normally, we celebrate by sharing metric education resources, but ...