Ampere: The Present | NIST
The ampere, a fundamental unit of electric current, has faced challenges in precise measurement. However, Ohm’s law, which relates…
Methane Symmetry Operations – Coupling of J and LS | NIST
This article discusses the coupling of angular momentum in spherical top molecules with excited triply degenerate vibrations. The authors…
Most Accurate Molecular Quantum Computations to Date Performed – January 2006 | NIST
Quantum Computing Breakthrough: NIST and Indiana University Achieve Record Accuracy in Molecular Calculations Researchers at NIST and Indiana…
Quantum Physics Theory | NIST
The article discusses various theoretical and experimental studies related to quantum physics and fundamental constants, conducted at the…
2007 NIST Time Scale Data Archive | NIST
NIST maintains primary frequency standards for the United States, including the cesium fountain frequency standard NIST-F1, which operates…
IRMOF-2: Effect of Partial Charge Method on Adsorption Thermodynamics | NIST
Researchers at NIST have conducted a detailed computational study examining how different methods for calculating partial charges affect the…
Journal of Research Volume 74B | NIST
This issue of the Journal of Research of NIST covers a wide range of mathematical and scientific research topics, including: – Partition…
Roadmapping Workshop on Measurement Science for Prognostics and Health Management of Smart Manufacturing Systems | NIST
The National Institute of Standards and Technology (NIST) recently hosted a Roadmapping Workshop for Measurement Science, Prognostics, and…
Time Domain Stability Statistics | NIST
NIST researchers have developed a new statistical tool called ThêoH to measure and analyze the stability of frequency sources, particularly…