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.

News and Updates

Displaying 2576 - 2600 of 5999

A Standard for Lighting Color Preference?

One of the goals of artificial lighting is to make things look natural. White light can make an otherwise appetizing sandwich look like garbage, if the reds

Making Sure that Lumber Measures Up

For some, it is a shocking revelation. But most Americans eventually come to accept the fact that a “two by four” board is actually 1.5 inches by 3.5 inches (38

Better Flowmeters with the Big Blue Ball

Last year, upwards of 25 trillion cubic feet of natural gas were delivered to customers in the United States, and when it changed hands, nearly every cubic foot

Mystery of the Dark Solitons

When your heart beats, blood courses through your arteries in waves of pressure. These pressure waves manifest as your pulse, a regular rhythm unperturbed by

CyberPatriot IX National Finalists Announced

Through four grueling rounds of online competition, 12 Open Division teams, 13 All Service Division teams, and 3 Middle School Division teams have earned an all

NIST Standard Story: No Humans Were Harmed

NIST scientists have thoroughly measured and characterized more than 1,300 physical products, NIST Standard Reference Materials ®, to help people in industry