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Metrology

News and Updates

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NIST Joins Alliance to Promote Open Wireless Technologies and Supply Chains

January 24, 2023

The O-RAN Alliance develops hardware and software specifications that allow manufacturers and network operators to mix and match products from different vendors...

Artifacts, Begone! NIST Improves Its Flagship Device for Measuring Mass

January 18, 2023

In a brightly lit subterranean lab at the National Institute of Standards and Technology (NIST) sits a room-sized electromechanical machine called the NIST-4...

EVSE Fast Charging Network: Challenges for Calibration and Traceability

January 7, 2023

Updated: 03/31/23 Charging Your Electric Car: Ensuring Accuracy for EVSEs with Traceable Transfer Reference Meters Owners of electric vehicles are coming to...

New Year’s Eve 2023 Marked the Retirement of the U.S. Survey Foot

January 6, 2023

At the stroke of midnight on January 1, 2023, the U.S. survey foot was deemed obsolete and the international foot (i.e., 1 foot = 0.3048 meter exactly)...

NIST Office of Weights and Measures – National Voluntary Laboratory Accreditation Program Partnership: New Faces and New Opportunities

January 5, 2023

The NIST Office of Weights and Measures (OWM) has long coordinated the accreditation of the State legal metrology laboratories through the OWM Recognition...

SI Prefix Progress

January 4, 2023

In December 2022, the BIPM SI Brochure (9 th Edition, December 2022, V2.01) was published to include the four new International System of Units (SI) prefixes...

A yellow buoy with a red base floats in the sea under a blue sky.

Ocean Color System Gets a ‘Refresh,’ Allowing for More Precise and Accurate Measurements

January 3, 2023

NIST, NOAA and other partners have collaborated on an upgrade to an ocean-color sensor called the Marine Optical Buoy, or MOBY.

Catch the Wave, SURF 2023, NIST OWM Undergraduate Researchers

Catch the Wave - NIST SURF for Career Success: Announcing 2023 Office of Weights and Measures Undergraduate Research Opportunities

December 14, 2022

Undergraduate students…are you looking for an extraordinary opportunity to propel your professional development and career forward? Well, there’s nothing quite...

Reliable Flow for Chip Makers

December 13, 2022

Researchers at the National Institute of Standards and Technology (NIST) have begun an ambitious project to attack a vexing problem in the semiconductor...

Superconducting Nanowire Single-Photon Detector

Unveiling the Universe: In 4 New Studies, NIST Explores Novel Ways to Hunt Dark Matter

December 8, 2022

For decades, astronomers and physicists have been trying to solve one of the deepest mysteries about the cosmos: An estimated 85% of its mass is missing.

Molecules Have an Orientation, and Scientists Have a New Way to Measure It

December 8, 2022

Molecular orientation is key to designing better materials.

Record level of radio frequency (RF) signal synthesis with quantum-based accuracy achieved

Record Level of Radio Frequency Signal Synthesis with Quantum-Based Accuracy Achieved

November 10, 2022

NIST, in collaboration with CU Boulder faculty, published a paper titled: “ RF Josephson Arbitrary Waveform Synthesizer with Integrated Superconducting...

Measuring Sunlight from Space, on a Chip

November 4, 2022

For 40 years, people have used space-based sensors to measure the amount of light coming from the Sun, which gives scientists insight into climate change on...

Research on the Rocks: Combining Neutrons and X-Ray Imaging, NIST Scientists Study Meteorites to Explore the Mystery of How Earth Acquired Its Water

November 3, 2022

Each year, hundreds of meteorites — rocky bodies left over from the formation of the solar system — bombard Earth, delivering minerals, metals and water to our...

Entering a New Phase: NIST Technique Simultaneously Locates Multiple Defects on Microchip Circuits

November 3, 2022

Defective computer chips are the bane of the semiconductor industry. Even a seemingly minor flaw in a chip packed with billions of electrical connections might...

NIST Researcher Helps Industry with Testing Interoperability between Grid and Renewables

November 1, 2022

In October 2022, NIST researcher Cuong Nguyen contributed his testing expertise at the OpenFMB PlugFest 2.0, held at the Duke Energy Mount Holly facility in...

To Break New Ground With Frequency Combs, a NIST Innovation Plays With the Beat

October 24, 2022

Breakthrough could help Nobel-winning tech measure distances and timing with a pinpoint precision limited only by the quantum nature of light.

Showcasing Innovative NIST Technologies

October 4, 2022

The Technology Partnerships Office (TPO) recently hosted the NIST Innovative Technologies Showcase. It was a virtual event to highlight cutting-edge...

Cameras and equipment set up in the studio in front of a table

NIST Office of Weights and Measures Launches Studio 220

September 30, 2022

Lights, camera, action! The vision to expand training capabilities within the Office of Weights and Measures (OWM) IACET accredited Training Program has become...

Graphic image with scale in front and person typing on a laptop in the background. Text on image reads: NIST Office of Weights and Measures, NIST SP 2200 Legal Metrology Publication Series.

NIST Office of Weights and Measures Launches New SP 2200 Legal Metrology Publication Series

September 29, 2022

In partnership with the NIST research library, the Office of Weights and Measures (OWM) has launched a new NIST Special Publication Series, SP 2200: Legal...

Infographic comparing characteristics of a checker vs. an inspector

Quantity Versus Quality of Inspections – Taking Shortcuts

September 28, 2022

This article was originally published in March 2005 and has been revamped and re-published here. As weights and measures jurisdictions grapple with finding the...

Hooked on Photonics? Math to the Rescue

September 28, 2022

Photonic thermometers – which measure temperature using light – have been around in optical fiber form for decades. These devices, called fiber Bragg gratings...

In-Person Training for Mulch and Soil Testing at the WWMA Annual Meeting

September 27, 2022

Now that we are attending meetings in-person again, this presents an opportunity for OWM staff to provide some of our training directly to our stakeholders...

Group photo outside of MidMAP training attendees

Regional Measurement Assurance Program (RMAP) Back on the Move

September 26, 2022

The Laboratory Metrology Program is wrapping up this year’s Regional Measurement Assurance Program (RMAP) training for the State Weights and Measures Laboratory...

Star Light, Star Bright … But Exactly How Bright?

September 22, 2022

A picture may be worth a thousand words, but for astronomers, simply recording images of stars and galaxies isn’t enough. To measure the true size and absolute...

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