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.

Quantum for Pressure



Jay H. Hendricks, Patrick F. Egan, Jacob E. Ricker, Jack A. Stone Jr., Kevin O. Douglass, Gregory F. Strouse


A team of NIST scientists is working to fundamentally change the way that the unit of pressure is realized and disseminated, an effort that will lead to the elimination of mercury barometer pressure standards.
Nature Physics


Pressure, Primary Standard, Quantum, Evangelista Torricelli, Mercury, Manometer, Barometer, Measurement, Optical Cavity


Hendricks, J. , Egan, P. , Ricker, J. , Stone, J. , Douglass, K. and Strouse, G. (2018), Quantum for Pressure, Nature Physics, [online], (Accessed May 23, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created January 5, 2018, Updated August 21, 2019