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Displaying 376 - 400 of 73898

The NIST Silicon Lattice Comparator Upgrade

October 3, 2023
Author(s)
Marcus Mendenhall, James Cline, Csilla Szabo-Foster, Albert Henins
The NIST Silicon lattice comparator has ben in service in various forms since the 1970s. It is capable of measuring the difference in lattice spacing between specimens of high-quality float-zone silicon to delta-d/d approximately 6e-9. It has recently

A Total Break of the Scrap Digital Signature Scheme

October 2, 2023
Author(s)
Daniel Smith-Tone
Recently a completely new post-quantum digital signature scheme was proposed using the so called ''scrap automorphisms''. The structure is inherently multivariate, but differs significantly from most of the multivariate literature in that it relies on

Fire Resilience of a Steel-Concrete Composite Floor System: Full Scale Experimental Evaluation for Influence of Slab Reinforcement and Unprotected Secondary Beam (Test #3)

October 2, 2023
Author(s)
Selvarajah Ramesh, Lisa Choe, Matthew Hoehler, Matthew Bundy, Rodney Bryant, Giovanni Di Cristina Torres, Brian Story, Anthony R. Chakalis, Artur A. Chernovsky, Philip Deardorff, Michael Selepak
The National Fire Research Laboratory at the National Institute of Standards and Technology conducted a series of large compartment fire tests to investigate the behavior and fire-induced failure mechanisms of full-scale composite floor assemblies with a

The NIST Plan for Providing Public Access to Results of Federally Funded Research

October 2, 2023
Author(s)
Katherine E. Sharpless, Regina L. Avila, Ronald F. Boisvert, A Kirk Dohne, James Fowler, Rachel B. Glenn, Gretchen Greene, Robert Hanisch, Andrea Medina-Smith, Alan Munter, Julie Petrousky, Yuri Ralchenko, Carolyn D. Rowland, James A. St Pierre, Adam Wunderlich, Jon Zhang
In 2013 White House Office of Science and Technology Policy (OSTP) issued a memo, "Increasing Access to the Results of Federally Funded Scientific Research." In response, he National Institute of Standards and Technology (NIST) developed a public access

Tornado Wind Speed Maps for Building Design: Research and Development of Tornado Risk Assessment Methodology

October 2, 2023
Author(s)
Lawrence A. Twisdale, Sudhan S. Banik, Lauren A. Mudd, Marshall Hardy, Shahriar Quayyum, Fangqian Liu, Melissa K. Faletra, Peter J. Vickery, Marc Levitan, Long Phan
The first-ever engineering-derived tornado wind speed maps have been produced for the contiguous United States. Using multi-variate statistical analysis of 11 tornado and physiographic variables, we developed 9 broad tornado climatology regions. We

Demystifying Accreditation A Framework for Accreditation of Forensic Units

October 1, 2023
Author(s)
Nicole Jones, Erin Forry, Donna J. Sirk
Accreditation is a formal recognition by an independent third party/accreditation body that a forensic service provider such as a laboratory, unit, or agency,a meets standards. A standard is a requirement or guideline used to ensure that a process or

Elastic Behavior of Orientation-Correlated Grains in Multiphase Aggregates

October 1, 2023
Author(s)
Thomas Gnaupel-Herold
Diffraction elastic constants (DECs) describe the elastic response of a subset of orientation-correlated grains which share a common lattice vector. DECs reflect the elastic behaviour of the single-crystal constituents through their dependence on grain

Labeling Software Security Vulnerabilities

October 1, 2023
Author(s)
Irena Bojanova, John Guerrerio
Labeling software security vulnerabilities would benefit greatly modern artificial intelligence cybersecurity research. The National Vulnerability Database (NVD) partially achieves this via assignment of Common Weakness Enumeration (CWE) entries to Common

Large floating abandoned, lost or discarded fishing gear (ALDFG) is frequent marine pollution in the Hawaiian Islands and Palmyra Atoll

September 29, 2023
Author(s)
Sarah-Jeanne Royer, Raquel Corniuk, Andrew McWhirter, Harry Lynch, Kydd Pollock, Kevin O'Brien, Lauriane Escalle, Jon Lopez, Katherine Stevens, Gala Moreno, Jennifer Lynch
Abandoned, lost, or discarded fishing gear (ALDFG) is a major source of marine debris with significant ecological and economic consequences. We documented the frequency, types, sizes, and impacts of ALDFG recovered from Hawaiʻi and Palmyra Atoll in the

Quantitative Evaluation of Released Nanomaterials from Carbon Nanotube Epoxy Nanocomposites during Environmental Exposure and Mechanical Treatment

September 29, 2023
Author(s)
Yue Zhao, David Goodwin, Lipiin Sung, Girish Ramakrishnan, Qiyuan Wu, Jiajie Cen, Elijah Petersen, Alexander Orlov
Carbon nanotubes (CNTs) are promising nanomaterials exhibiting high thermal and electrical conductivities, significant stiffness, high tensile strength, and light weight. As a result, CNTs have been utilized as additives to enhance properties of various

Guide to Operational Technology (OT) Security

September 28, 2023
Author(s)
Keith A. Stouffer, Michael Pease, CheeYee Tang, Timothy Zimmerman, Victoria Yan Pillitteri, Suzanne Lightman, Adam Hahn, Stephanie Saravia, Aslam Sherule, Michael Thompson
This document provides guidance on how to secure operational technology (OT) while addressing their unique performance, reliability, and safety requirements. OT encompasses a broad range of programmable systems and devices that interact with the physical

Hydrogen Storage with Aluminum Formate, ALF: Experimental, Computational, and Technoeconomic Studies

September 28, 2023
Author(s)
Hayden Evans, Taner N. Yildirim, Peng Peng, Yongqiang Cheng, Zeyu Deng, Qiang Zhang, Dinesh Mullangi, Dan Zhao, Pieremanuele Canepa, Hanna M. Breunig, Anthony K. Cheetham, Craig Brown
Long-duration storage of hydrogen is necessary for coupling renewable H2 with stationary fuel cell power applications. In this work, aluminum formate (ALF), which adopts the ReO3-type structure, is shown to have remarkable H2 storage performance at non

Industrial Wireless Cyberphysical Systems Performance Using Deep Learning

September 28, 2023
Author(s)
Mohamed Hany, Rick Candell, Karl Montgomery
Industrial wireless communications networks have a major role in the future industrial cyber-physical systems (CPSs) to have higher flexibility and massive machine connectivity. However, the impact of the industrial wireless on the reliability and latency

Mobile Device Security: Bring Your Own Device (BYOD)

September 28, 2023
Author(s)
Gema Howell, Katie Boeckl, Nakia R. Grayson, Naomi Lefkovitz, Jason Ajmo, R. Eugene Craft, Milissa McGinnis, Kenneth Sandlin, Oksana Slivina, Julie Snyder, Paul Ward
Many organizations provide employees the flexibility to use their personal mobile devices to perform work-related activities. An ineffectively secured personal mobile device could expose an organization or employee to data loss or a privacy compromise
Displaying 376 - 400 of 73898