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.
Lorenz Keck, Kumar Arumugam, Leon Chao, Zane Comden, Frank Seifert, David Newell, Darine El Haddad, Stephan Schlamminger
We revisit the Kibble-Robinson Theory (KRT), first proposed in 2014 by Kibble and Robinson, which significantly simplifies the construction and operation of
Sven Schulze, Kumar Arumugam, Rene Theska, Gordon A. Shaw
The 2019 redefinition of the kilogram in the International System of Units (SI) connects the unit of mass with Planck's constant (h) through electrical