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Metrology

News and Updates

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2024 National Price Verification Survey

January 3, 2024

NIST Office of Weights and Measures (OWM) is collaborating with the National Conference on Weights and Measures (NCWM), together with 28 state and 38 local

OWM Recognizes Contributions of Proficiency Testing Coordinators at RMAPs

January 3, 2024

The OWM Laboratory Metrology group operates an ISO 17043 compliant Proficiency Testing (PT) program that assesses the effectiveness of the metrology training

Do the Bump: NIST Scientists Perfect Miniaturized Technique to Generate Precise Wavelengths of Visible Laser Light

November 28, 2023

In research, sometimes the bumpy path proves to be the best one. By creating tiny, periodic bumps in a miniature racetrack for light, researchers at the

NIST Researchers Develop a Breakthrough COVID-19 Detection Technology

October 2, 2023

“Only connect” is the most famous line in the British novelist E. M. Forster’s writings. Forster was urging the readers of his book Howard’s End to make

Measuring Up: NIST’s Missile Defense Transfer Radiometer

September 29, 2023

If you’re undergoing a missile attack and that missile is above the atmosphere, the best place to destroy it is while it’s still in space. To do that, you need

NIST SP2200-03: An Evolving Regulatory Landscape for Commercial Electric Vehicle Fueling

September 28, 2023

As part of NIST OWM's Special Publication 2200 series on Legal Metrology, NIST SP 2200-03 An Evolving Regulatory Landscape for Commercial Electric Vehicle

What is the true meaning of a “scale division” (d) versus a “verification scale division” (e)

September 28, 2023

Introduction If you are a state weights and measures official, scale manufacturer, or any other stakeholder dealing with scales used for commercial transactions

2023 NIST Internship Reflections

September 28, 2023

During the summer of 2023, the NIST Physical Measurement Laboratory’s ( PML) Office of Weights and Measures ( OWM) hosted four undergraduate students who were

Working Their Thermal MagIC: Digging Into the Details of an Ambitious New ‘Thermometry Camera’

September 26, 2023

Thermometers can do a lot of things: measure the temperature at the center of your perfectly braised chicken or tell you whether to keep your child home from

Metric Week 2023: Seven Days of SI Fun

September 20, 2023

National Metric Week (October 8 to 14, 2023) is an opportunity to underscore the usefulness of metric system measurements, formally known as the International

NIST chip containing a single-photon detector made of superconducting nanowires. Four chips like this were used in the experiment that entangled three photons.

Unity in the Photon Community

September 12, 2023

The creation and detection of single photons (the smallest units of light) has grown in a few decades from an experimental laboratory pursuit to an important

Detangling Light-based Thermometers with Combs

August 29, 2023

Photonic thermometers, which measure temperature using light, have the potential to revolutionize temperature measurement by being faster, smaller, and more

Four researchers pose standing in a lab, smiling and wearing safety glasses, surrouded by wires and other electronics.

NIST Demonstrates a New ‘Primary Standard’ for Measuring Ultralow Pressures

August 10, 2023

Chip manufacturing, gravitational wave detectors and quantum computers could all benefit from better ways to measure a vacuum.

Big Improvements in New Probe Design for Smokestack Emission Monitoring

July 31, 2023

Each year, to meet requirements set by the Environmental Protection Agency (EPA), coal-fired power plants must have their smokestack emissions audited by an

NIST researcher Jared Strait with a prototype hand-held KDFR

MEASURING UP: Kibble Dynamic Force Reference

July 18, 2023

Static force, such as the weight of a person standing motionless on a bathroom scale or the force that an office full of equipment exerts on a high-rise floor

white matter mimic in the bottom half of the artificial cranium

Lessons from an Experimental Brain Phantom

July 12, 2023

Researchers at the National Institute of Standards and Technology (NIST) and colleagues have developed a novel, anatomically accurate reference model of the

Illustrated molecules, represented by red spheres and blue spheres connected by a white cylinder, fill a dark blue field. Alongside the molecules are electrons, represented by light blue spheres with directional arrows pointing through them.

Why Does Matter Exist? Roundness of Electrons May Hold Clues

July 6, 2023

JILA physicists make record-breaking measurement of a key electron property.

New NIST Licensing Opportunity Teems with Potential Applications

July 5, 2023

Max Planck, one of the Twentieth Century’s most eminent physicists, observed, "An experiment is a question that science poses to Nature, and a measurement is

New York State Annual Weights and Measures Association Meeting and Training School

June 30, 2023

NIST OWM had the opportunity and pleasure to attend the New York State Annual Weights and Measures Association and Training School the week of June 12-16, held

Green tool box with Learning Tools lettered in white

NIST OWM’s Informal Learning Resources

June 30, 2023

A few months ago, NIST OWM reached out to state weights and measures directors for their input on OWM’s “informal learning resources.” Through a series of

Man holding laptop with hexagonal shapes with images and Legal Metrology written in one

Our Digital Future in Legal Metrology: Lessons Learned from the International Conference of Weighing

June 30, 2023

On April 24-26, 2023 the European Weighing Industry Association ( CECIP) organized the first meeting of the International Conference of Weighing (ICW) in

NIST OWM Strategic Plan

June 30, 2023

As the NIST OWM Chief, I am very pleased to announce the completion and launch of the OWM Strategic Plan (FY2023 – FY2027). OWM has a long-standing history in U

NIST-Designed Photonic Chip Transforms a Single Beam of Light Into Multiple Beams, Each With a Panoply of Different Properties

June 30, 2023

Researchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of

Jun Ye: A Timely Profile

June 26, 2023

Physicist Jun Ye has a knack for making every second count—literally. At JILA, a joint research institute of the University of Colorado and the National

New Tiny Atomic Beam Clock Could Bring Stable Timing to Places GPS Can’t Reach

June 21, 2023

A new type of miniature atomic clock could provide better timing over the span of weeks and months compared with current systems.

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