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Federal
NIST Handprinted Forms and Characters - NIST Special Database 19
Department of Commerce —
Special Database 19 contains NIST's entire corpus of training materials for handprinted document and character recognition. It publishes Handprinted Sample Forms from... -
Federal
NIST/ASME Steam Properties Database - SRD 10
Department of Commerce —
The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and... -
Federal
NIST Atomic Spectra Database - SRD 78
Department of Commerce —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
Wind speed estimates of the December 2021 Quad-State Tornado in Mayfield, KY based on treefall pattern analysis
Department of Commerce —
A violent tornado outbreak occurred on December 10-11, 2021 in the Midwest US. One of the tornadoes, known as the Quad-State tornado, tracked across four states and... -
Federal
NIST Tables of X-Ray Mass Energy-Absorption Coefficients and Mass Attenuation Coefficients - SRD 126
Department of Commerce —
Tables of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients from 1 keV to 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of... -
Federal
Observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions from the Los Angeles Megacity Carbon Project
Department of Commerce —
Updated April 2025. Here we provide hourly observations of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) mole fractions in dry air from tower- and... -
Federal
NIST Computational Chemistry Comparison and Benchmark Database - SRD 101
Department of Commerce —
The NIST Computational Chemistry Comparison and Benchmark Database is a collection of experimental and ab initio thermochemical properties for a selected set of gas-... -
Federal
NIST Atomic Energy Levels and Spectra Bibliographic Database
Department of Commerce —
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current... -
Federal
Radio Frequency Interference Measurements of Industrial Machinery
Department of Commerce —
The 2.4 GHz ISM band is shared by Wi-Fi, Bluetooth, Wireless HART, ISA100.11a, and several other industrial wireless systems. Our dataset contains comprehensive... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 10 - SRD 23
Department of Commerce —
REFPROP is an acronym for REFerence fluid PROPerties. This program, developed by the National Institute of Standards and Technology (NIST), calculates the... -
Federal
MRI Tissue Mimics Data
Department of Commerce —
Database of MRI quantitative measurements gathered from literature and experimental studies, for tissues and synthetic materials.Additionally, a code base is provided... -
Federal
Selfish Mining Simulator for Cryptocurrencies
Department of Commerce —
Software to simulate performing a selfish mining attack against certain cryptocurrencies' difficulty algorithms. Allows tweaking parameters of the attack and the... -
Federal
Semiannual Metrics Reported to the Office of Science and Technology Policy to Demonstrate Implementation of NIST's Public Access Plan
Department of Commerce —
NIST collects and reports numerous metrics semiannually to the White House Office of Science and Technology Policy to demonstrate implementation of the NIST Plan for... -
Federal
NIST ITS-90 Thermocouple Database - SRD 60
Department of Commerce —
This database reproduces a subset of the tables and reference functions of NIST Monograph 175, 'Temperature Electromotive Force Reference Functions and Tables for the... -
Federal
Forecasting demand data for critical materials
Department of Commerce —
Clean energy technologies (e.g., solar, wind, EVs) are vital in our transition to a decarbonized energy grid. Many clean energy technologies rely on critical... -
Federal
Using Open-Path Dual-Comb Spectroscopy to Monitor Methane Emissions from Simulated Grazing Cattle
Department of Commerce —
Data published in the paper "Using Open-Path Dual-Comb Spectroscopy to Monitor Methane Emissions from Simulated Grazing Cattle". A controlled methane release... -
Federal
TREC 2021 Health Misinformation Dataset
Department of Commerce —
The Health Misinformation track aims to (1) provide a venue for research on retrieval methods that promote better decision making with search engines, and (2) develop... -
Federal
Thermographic measurements of single and multiple scan tracks on nickel alloy 625 substrates with and without a powder layer in a commercial laser powder bed fusion process (an additive manufacturing technology)
Department of Commerce —
This dataset contains thermographic measurements acquired during single and multiple track scans on bare substrates and on single layers of powder. The substrates and... -
Federal
NIST CAD Models and STEP Files with PMI
Department of Commerce —
NIST has created a Test System to measure conformance of Computer-Aided Design (CAD) software to American Society of Mechanical Engineers (ASME) standards for Product... -
Federal
Data tables for Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis - 2022: Annual Supplement to NIST Handbook 135
Department of Commerce —
Data tables for Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis - 2022: Annual Supplement to NIST Handbook 13Starting in the 2022 Annual...