national metrology institutes – Page 6

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

January 18, 2023 Office

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 Kibble balance.The instrument can already measure the mass of objects of roughly […]

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

January 3, 2023 Office

January 03, 2023 We typically think of the ocean’s color as blue, but in some places, it looks blue-green. That’s because those areas are teeming with single-cell plants called phytoplankton, which contain chlorophyll and reflect […]

Effects of Impurities on the Freezing Plateau of the Triple Point of Water

December 31, 2022 Office

by Xiaoke Yan, et al. The influence of impurities on the shape of the freezing curves of the triple point of water (TPW) in three small TPW cells was investigated using the freezing curve analysis […]

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

October 24, 2022 Office

An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible — potentially improving measurements of distance along with applications […]

Human- and machine-readable KC reports using the PDF/A-3 format | BIPM

September 30, 2022 Office

The BIPM is pleased to announce the publication of the first key comparison report embedding machine-readable (XML and JSON) versions of the document. Use of the PDF/A-3 standard in this way was originally suggested by […]

Improving accuracy of international standards for graphene | NPL News

June 14, 2022 Office

The results of the first international comparison of the measurement of graphene have been published in 2D Materials, led by NPL, through the Versailles Project on Advanced Materials and Standards (VAMAS) and in collaboration with […]

Discover NIST Education Resources! | NIST

May 27, 2022 Office

The National Institute of Standards and Technology (NIST) invites learners of all ages to explore and discover a wide variety of Science, Technology, Engineering, and Mathematics (STEM) resources using the recently launched Education portal and […]

NIST Finds Wireless Performance Consistent Across 5G Millimeter-Wave Bands | NIST

May 24, 2022 Office

Settling a key dispute in the wireless communications field, researchers at the National Institute of Standards and Technology (NIST) found that transmission performance is consistent across different bands of the millimeter-wave (mmWave) spectrum targeted for […]