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.
Jim Olthoff is currently serving as the Associate Director for Laboratory Programs and is responsible for the entire technical program of NIST. He received his Ph.D. in physics from the University of Maryland and did postdoctoral research at The Johns Hopkins School of Medicine before coming to NIST more than 30 years ago.
Two unusual things happened on Nov. 16, 2018. Fifty-four nations from every continent (except Antarctica) agreed on something, and metrology, the science of