An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Dr. Wilhelm Weber gets the distinction of having the unit of magnetic flux, the weber, named in his honor. Magnetic flux measures the total magnetic field that
Scientists are getting closer to creating a living cell from scratch. It could help treat diseases or even create life forms that can be better adapted to space
Different countries' approaches can lead to different definitions of the kilogram. But NIST is working with our international partners to see how we can close
During Women’s History Month, a NIST librarian looks back at the librarian who brought us the bookmobile — back when it brought books by horse and buggy.