Skip to main content
U.S. flag

An official website of the United States government

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.

News and Updates

Displaying 401 - 425 of 696

A Message from the MML Director

" A Message from the MML Director" appears in each edition of Material Matters, the quarterly magazine of NIST's Material Measurement Lab. This letter from

SF6 Shows Promise as Mercury Substitute

Elemental mercury – which is being phased out of commercial thermometers worldwide due to safety concerns – may also be replaced as a temperature reference

New Tool for Breast Cancer Screening

A little over three years ago, NIST scientist Katy Keenan came back from a conference with an ambitious idea: to improve the quality of magnetic resonance