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.
President Abraham Lincoln’s first handwritten draft of the Preliminary Emancipation Proclamation, a historic document in the collection of the New York State...
The air we breathe out can help us improve the quality of the air we breathe in.
Measurements of indoor carbon dioxide (CO 2) concentrations are used to...
Emergency response , l aw enforcement and military personnel must face threats and dangerous situations as part of their jobs. These threats can vary from
NIST has been granted a patent for technology that may hasten the advent of a long-awaited new generation of high-performance, low-energy computers....
The Center for High Resolution Neutron Scattering (CHRNS) is a national user facility jointly funded by the NCNR and the NSF under Agreement No. DMR-2010792.
The ability to deposit small amounts of material in a highly controllable and precise fashion is important for creating test materials for trace detection
Being a forensic examiner seems glamorous on TV. But working in a crime lab requires long hours of intense focus that are anything but action-packed. This is...