Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Taking Measure

Just a Standard Blog

Mark Esser

Mark is a writer in the NIST Public Affairs Office and the editor of Taking Measure (this blog). When he's not struggling to cleverly turn a phrase, he enjoys playing classical guitar and weightlifting.