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.
This is part 2 in a series. Read part 1. A short history of frequency Frequency was originally considered to be the province of musicians. The pitches or frequencies of the notes in a musical scale
As a physicist in the National Institute of Standards and Technology (NIST) Time and Frequency Division, I have worked in the general area of operating atomic clocks and using output signals from them
Like everyone on the planet, our organization, the National Institute of Standards and Technology (NIST), became concerned with the COVID-19 outbreak in March 2020. NIST scientists were anxious to
With a new “forever” stamp honoring "First Lady of Physics" Chien-Shiung Wu, we have come very close to seeing a National Institute of Standards and Technology (NIST) researcher on a U.S. postage
Each year during national Weights and Measures Week (March 1 to 7), we celebrate the contributions made by the weights and measures community to ensure accuracy and fair competition in commercial