NIST supports accurate and compatible measurements by certifying and providing over 1200 Standard Reference Materials® with well-characterized composition or properties, or both

Jun 24, 2025 · The mantis shrimp packs a powerful punch thanks partly to unique structures in its exoskeleton. NIST researchers have fabricated synthetic versions of these structures and …

1. Introduction Reflectance, transmittance, and absorptance/emittance are essential optical properties of materials needed for optical science research and industrial applications.

Sep 17, 2009 · Note on NIST X-ray Attenuation Databases Table of Contents Introduction X-Ray Mass Attenuation Coefficients Table 1. Material constants for elemental media. Table 2. …

Oct 7, 2009 · Abstract: The databases ESTAR, PSTAR, and ASTAR calculate stopping-power and range tables for electrons, protons, or helium ions, according to methods described in …

Mar 6, 2019 · Materials Resource Registry allows for the registration of materials resources, bridging the gap between existing resources, software and repositories and end users.

Nov 12, 2024 · Cementitious Materials Our team studies cementitious materials to develop measurement science tools and standards for additive manufacturing. Learn more. NIST …

Apr 7, 2020 · Commercial Products* Materials are related to coding, cybersecurity product training, certification preparation or general IT and cybersecurity skills development, and …

Materials flammability Since the Federal Fire Prevention and Control Act of 1974 was passed, annual U.S. fire fatalities have decreased by more than 50%. NIST’s fire research has played …

May 30, 2024 · The new algorithm allows for fine-tuning this relationship to create auxetic materials that behave in ways you couldn’t find in nature. “Our research is a beautiful example …