by Larry A. DeWerd PhD, FAAPM, FABS & Ahtesham U. Khan, PhD The overall goals of the University of Wisconsin Medical Radiation Research Center (UWMRRC) are to 1) educate members of the medical physics community, […]
In cooperation with European metrology institutes and partner companies from industry, PTB has laid the foundations for a reliable infrastructure for the volume measurement of liquid and gaseous hydrogen. For the first time, a traceability […]
January 7, 2025 NIST Office of Weights and Measures (OWM) and the Kenya Bureau of Standards (KEBS) are currently conducting an interlaboratory mass comparison as part of a larger, multifaceted mass metrology training program being developed by […]
Scientists at the National Institute of Standards and Technology (NIST) have created a new thermometer using atoms boosted to such high energy levels that they are a thousand times larger than normal. By monitoring how […]
PTB-News 3.2024 – The deviations of rotary tables can be directly measured on coordinate measuring machines (CMMs) in all six degrees of freedom by means of a self-calibrating procedure using a ball plate. A new […]
December 23, 2024 For more than three decades, the National Institute of Standards and Technology (NIST) has calibrated the wavelengths of lasers used in industry, academia, and government laboratories. NIST has now expanded its service […]
The BIPM and NIST have successfully conducted a new pilot study, marking a significant advancement in the accuracy and reliability of ac voltage comparisons. This achievement represents a major step forward for on-site comparisons of […]
NIST News, July 22, 2024 Ultraviolet (UV) light may seem like an invisible hero, quietly disinfecting our hospitals, curing our nail polish, and killing pathogens in our water. But how can we be sure it’s […]
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