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.

Search News by Chad Boutin

Displaying 376 - 400 of 539

NIST Handbook 44 - 2012 Edition

Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices as adopted by the 96th National Conference on Weights and

Shaking Up Biomolecules with Light

In living organisms, biomolecules such as proteins are constantly in complex motion, bending and flexing in different ways at different points. Each molecule

The World's Most Stable Laser

The world's most stable laser – with frequency variation of no more than 2 parts in 10,000 trillion – has been developed and tested by an international

New SRM for Bullet Casings

At a time when the reliability of crime lab findings is under increasing scrutiny, PML researchers have provided law enforcement with an important new tool for

Laser Radiometry: Powering Up

"If you made a long distance phone call or sent an email today, or if you're wearing clothes, then you are benefiting directly from our laser services," says

Looking At and Into the Ultra-Small

NIST is taking a huge step into the ultra-small with the Precision Imaging Facility (PIF) now being outfitted in new Precision Measurement Laboratory on the