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.
Focused-ion-beam machining is a powerful method to directly form complex nanostructures. The Nanostructure Fabrication and Measurement Group develops novel
The National Institute of Standards and Technology (NIST) established a Food Nutrition and Safety Measurements Quality Assurance Program (FNSQAP) to support the
Currently, forensic DNA profiles consist of size measurements which are interpreted as the number of repeat units at STR (short tandem repeat) markers. Due to
The NIST Forensic Chemistry Measurement Program aims to both develop and facilitate the implementation of scientifically valid, robust measurement tools for the
The Expert Working Group for Human Factors in Handwriting Examination has conducted a scientific assessment of the effects of human factors on forensic
This project provides methods, standards, and services for characterizing surface texture and microform in manufacturing, forensics, and science. We seek to
The NIST Headquarters in Gaithersburg, MD also provides a convenient testbed to evaluate the current state of knowledge relating optical remote sensing to
To support regulatory and industry requirements for reference materials and standards, NIST produces and maintains a large inventory of fossil fuel SRMs that
There are no metrics today which can accurately assess the reliability of large-scale information systems either before or after deployment. In this program, we
The Free Energy and Advanced Sampling Simulation Toolkit (FEASST) is a free, open-source, public domain software to conduct molecular and particle-based
We have constructed portable frequency combs that have provided in situ calibration of astronomical spectrographs, to aid in the search for exo-planets.
Optical frequency conversion, in which the color of light is changed, is a process that has numerous applications in physics and technology. For example, green
The NIST Frequency Measurement and Analysis Service (FMAS) makes it easy to measure and calibrate any quartz, rubidium, cesium, or hydrogen maser frequency
Dual-comb spectroscopy is a technique that allows one to exploit the coherence, accuracy, and resolution of frequency combs for precision molecular spectroscopy
Modern instruments tend to produce data that are consisted of measured spectra, probability distribution functions, or simply sampled curves. Statistical
This project advances key areas of engineering knowledge and practice that are necessary for the development of a robust framework for functional recovery
We are involved in efforts to collate data on precision measurements and the theoretical description of these measurements with the aim to improve the values of
U.S. innovation and industrial competitiveness rely on NIST to provide world class traceability to the International System of Units (SI) and to advance
Radio-frequency (RF) waves and microwaves are involved with almost every facet of everyday life. Radio stations, television, wireless devices, satellite