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.

Physical Measurement Laboratory

News and Updates

Keyword

Topic Area

Getting the Inside Story on Products with Computed Tomography

February 22, 2017

It is often the case that a valuable new industrial capability brings with it a whole new set of challenges for measurement science -- and thus, inevitably, for

Light on the Rebound: ROSI Sees It from Every Angle

February 13, 2017

We see the world in reflection: Nearly all the light that enters our eyes has bounced off something first, bringing with it information about the nature of the

Gauging Multi-Kilowatt Laser Power with the Pressure of Light

January 24, 2017

A multi-kilowatt laser beam can cut through steel and melt bricks into glass. Many industries use high-power lasers like these to precisely cut and weld metals

Wearable ‘Watches’ to Monitor Your Blood Pressure

January 24, 2017

What if there were a wearable fitness device that could monitor your blood pressure continuously, 24 hours a day? Unfortunately, blood pressure (BP)

School building with overlay of units and constants

Heads Up, High School Class of '19: New Measurement Unit Definitions Are Coming

January 23, 2017

Next year, scientists expect to change the way we define the basic units with which we measure our universe. An article by scientists at the National Institute

Calibrating the Calibrator: The National Standard Neutron Source

January 17, 2017

Neutron detectors and sources play critical roles in national defense, homeland security, nuclear power plant control, radiation medicine, petroleum exploration

NIST Physicists ‘Squeeze’ Light to Cool Microscopic Drum Below Quantum Limit

January 11, 2017

Physicists at the National Institute of Standards and Technology (NIST) have cooled a mechanical object to a temperature lower than previously thought possible

President Obama Honors Federally-Funded Early-Career Scientists

January 10, 2017

On Jan. 9, 2017, President Obama named 102 scientists and researchers as recipients of the Presidential Early Career Awards for Scientists and Engineers (PECASE

How Sweet It Is: NIST Metrology and the Maple Syrup Industry

January 4, 2017

NIST is frequently asked to provide unusual, sometimes downright exotic, measurements and calibrations in support of U.S. commerce. But even old hands in the

Illustration of strontium lattice atomic clock

JILA Atomic Clock Mimics Long-sought Synthetic Magnetic State in Solids

December 21, 2016

Using their advanced atomic clock to mimic other desirable quantum systems, JILA physicists have caused atoms in a gas to behave as if they possess unusual

How To Tell When a Nanoparticle is Out of Shape

December 20, 2016

Nanoparticles -- those with diameters less than one-thousandth the width of a human hair -- are increasingly prevalent in high technology, medicine, and

schematic of laser light interacting with a plasmonic gap resonator

NIST Device for Detecting Subatomic-Scale Motion Has Potential Robotics, Homeland Security Applications

December 15, 2016

Scientists at the National Institute of Standards and Technology (NIST) have developed a new device that measures the motion of super-tiny particles traversing

In Search of ‘Sterile’ Neutrinos

December 9, 2016

Lately, neutrinos – the tiny, nearly massless particles that many scientists study to better understand the fundamental workings of the universe – have been

Keeping a Sharp Eye on the Environment from Space

December 7, 2016

On Nov. 19, 2016, America’s most advanced weather satellite rocketed into orbit carrying six new, state-of-the-art instruments, dramatically enhanced

CNST Releases Fall 2016 Edition of The CNST News

November 29, 2016

The NIST Center for Nanoscale Science and Technology) (CNST) is pleased to announce the release of the Fall 2016 edition of The CNST News. This quarterly

Man standing behind big silver equipment

Disseminating the New Kilogram: An International ‘Dry Run’

November 28, 2016

When the kilogram, the world’s basic unit of mass, gets a new definition in 2018, it will be based not on a physical artifact but a constant of nature. However

NIST Debuts Dual Atomic Clock — and a New Stability Record

November 28, 2016

What could be better than a world-leading atomic clock? Two clocks in one. Physicists at the National Institute of Standards and Technology (NIST) have combined

For Wearable Electronic Devices, NIST Shows Plastic Holes Are Golden

November 23, 2016

In science, sometimes the best discoveries come when you’re exploring something else entirely. That’s the case with recent findings from the National Institute

Universe’s Constants Now Known with Sufficient Certainty to Completely Redefine the International System of Units

November 22, 2016

Fundamental constants are physical quantities that are universal in nature. For example, the speed of light in vacuum and the charge of a single electron are

Big G Redux: Solving the Mystery of a Perplexing Result

November 16, 2016

If you spend time in physics research circles, you may have heard of the big G controversy. The universal constant of gravitation, G – affectionately known as

Seeing Light’s Effect on Atoms — Within Picoseconds

November 16, 2016

For the first time in a laboratory setting, NIST scientists have made stop-action x-ray measurements of the way visible light interacts with atoms and molecules

Noise, Temperature, and the New SI

November 15, 2016

NIST has recently made substantial improvements to its Johnson-noise thermometry system, which is playing a vital role in the worldwide effort to determine the

This artist’s conception imagines the proposed ring of atoms as cars on a beltway.

Atomic Beltway Could Solve Problems of Cosmic Gravity

November 14, 2016

When is a traffic jam not a traffic jam? When it's a quantum traffic jam, of course. Only in quantum physics can traffic be standing still and moving at the

JILA Team Spots Elusive Intermediate Compound in Atmospheric Chemistry

October 27, 2016

BOULDER, Colo.-- JILA physicists and colleagues have identified a long-missing piece in the puzzle of exactly how fossil fuel combustion contributes to air

Drawing of a spiral delay line heater element, designed with the CNST Nanolithography Toolbox software

New Nanoscale Design Software Available Online

October 21, 2016

A recently developed CNST software package that designs difficult-to-draw nanoscale shapes, including spirals, S-bends, and tapered structures is now available

Was this page helpful?

Advanced communications
-Open Radio Access Network (Open-RAN)
-Quantum communications
-Spectrum sharing
-Wireless (RF)
Artificial intelligence
-AI measurement and evaluation
-Autonomous systems
--Automated vehicles
--Autonomous laboratories
-Applied AI
-Fundamental AI
-Hardware for AI
-Machine learning
-Trustworthy and responsible AI
Bioscience
-Bioeconomy
--Biological data
-Bioimaging
-Bioinformatics
-Biomanufacturing
-Biomaterials
-Biometrology
-Biosecurity
--Biosurveillance
--Genomic cybersecurity
--Nucleic acid sequence screening
-Cell measurements
-Engineering / synthetic biology
--Biofabrication
--Cell-free systems
--Genome engineering
--Protein engineering
-Gene delivery systems
-Genome editing
-Genomics
-Glycomics
-Metabolomics
-Microbial measurements
-Proteomics
Buildings and Construction
-Building codes and standards
-Building control systems
-Building damage and repair
-Building economics
-Building materials
-Energy efficiency
-Heating, ventilation and air conditioning equipment
-Indoor air quality
-Structural engineering
-Thermal comfort
Chemistry
-Analytical chemistry
-Chemical engineering and processing
-Chemical thermodynamics and chemical properties
-Molecular characterization
-Theoretical chemistry and modeling
-Thermochemical properties
Electronics
-Electromagnetics
-Flexible electronics
-Magnetoelectronics
-Optoelectronics
-Organic electronics
-Semiconductors
-Sensors
-Superconducting electronics
Energy
-Alternative energy
-Conventional energy
-Electric power / smart grid
-Fuels
Environment
-Air / water / soil quality
-Climate Measurements
-Environmental health
-Greenhouse gas measurements
-Marine science
-Sustainability
Fire
-Fire detection
-Fire dynamics and science
-Fire fighting
-Fire modeling
-Fire risk reduction
-Materials flammability
-Structural fire resistance
-Wildland urban interface fire
Forensic Science
-Digital evidence
-Drugs and toxicology
-Firearms and toolmarks
-Forensic biometrics
-Forensic genetics
-Trace evidence
Health
-Biopharmaceuticals
-Cell and gene therapy
-Clinical diagnostics
--Cancer
--Medical imaging
-Food and nutrition
-Human microbiome
-Precision medicine
-Regenerative medicine and advanced therapy
--Flow cytometry
Information technology
-Biometrics
-Cloud computing and virtualization
-Complex systems
-Computational science
-Conformance testing
-Cyber-physical systems
--Smart cities
-Cybersecurity and privacy
--Cryptography
--Cybersecurity education and workforce development
--Cybersecurity measurement
--Identity and access management
--Privacy engineering
--Risk management
--Securing emerging technologies
--Trustworthy networks
--Trustworthy platforms
-Data and informatics
--Human language technology
--Information retrieval
--Natural language processing
-Digital twins
-Federal information processing standards (FIPS)
-Health IT
-Internet of Things (IoT)
-Interoperability testing
-Location based services
-Mobile
-Networking
--Mobile and wireless networking
--Network management and monitoring
--Network modeling and analysis
--Network security and robustness
--Network test and measurement
--Next generation networks
--Protocol design and standardization
--Software defined and virtual networks
-Software research
--Software testing
-Usability and human factors
--Accessibility
-Video analytics
-Virtual / augmented reality
-Visualization research
-Voting systems
Infrastructure
Manufacturing
-Additive manufacturing
-Factory communications
-Factory operations planning and control
-Interoperability in manufacturing
-Machining
-Manufacturing economics
-Manufacturing quality assurance
-Manufacturing systems design and analysis
-Monitoring, diagnostics and prognostics
-Process improvement
-Process measurement and control
-Product data
-Robotics
--Agility and adaptability
--Collaborative robots
--Dexterous grasping
--Manipulation
--Mobility and industrial autonomous vehicles
--Navigation / actuation / control
--Sensing and perception
-Supply chain
-Sustainable manufacturing
-Systems engineering
-Systems integration
-Technology commercialization
Materials
-Ceramics
-Composites
-Concrete / cement
-Materials characterization
--Composition and structure
--Mechanical properties
--Thermal properties
-Metals
-Modeling and computational material science
-Polymers
-Superconductors
Mathematics and statistics
-Experiment design
-Image and signal processing
-Modeling and simulation research
-Numerical methods and software
-Statistical analysis
-Uncertainty quantification
Metrology
-Amount of substance
-Dimensional metrology
-Electrical / electromagnetic metrology
-Flow metrology and rheology
-Force metrology
-Humidity metrology
-Ionizing radiation metrology
-Mass metrology
-Metric
-Optical / photometry / laser metrology
-Pressure and vacuum metrology
-Thermometry metrology
-Time and frequency metrology
-Weights and measures
Nanotechnology
-Nanobiotechnology
-Nanochemistry
-Nanoelectronics
-Nanofabrication / manufacturing
--Lithography
--Self-assembly
-Nanofluidics
-Nanomagnetics
-Nanomaterials
-Nanomechanics
-Nanometrology
-Nanophotonics
-Nanophysics
-Nanoplasmonics
Neutron research
Performance excellence
-Assessment tools and services
-Baldrige award
-Baldrige examiners
-Baldrige Framework and Criteria
-Best practices
-Leadership development
Physics
-Atomic / molecular / quantum
-Biological physics
-Condensed matter
-Electron physics
-Magnetics
-Nuclear physics
-Optical physics and communications
-Quantum information science
-Radiation
-Spectroscopy
-Thermodynamics
-Time and frequency
Public safety
-Chemical / Biological / Radiological / Nuclear / Explosives (CBRNE)
-First responder preparedness
-Law enforcement
-Public safety communications research
-Response robots
Resilience
-Community resilience
--Recovery
--Resilience metrics
-Disaster and failure studies
-Earthquake risk reduction
-Resilience economics
-Resilient materials
-Windstorm impact reduction
Standards
-Accreditation
-Calibration services
-Conformity assessment
-Documentary standards
-Frameworks
-Quality assurance
-Reference data
-Reference instruments
-Reference materials
-Standards education
Technology transfer
Transportation
-Aerospace
-Automotive