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Search Publications

NIST Authors in Bold

Displaying 1726 - 1750 of 74084

Ball Screw Health Monitoring with Inertial Sensors

September 30, 2022
Author(s)
Vibhor Pandhare, Marcella Miller, Gregory W. Vogl, Jay Lee
In industrial applications, the mechanical wear on ball screw components can lead to a loss of positioning accuracy that reduces the operational reliability and reproducibility of production systems. Existing monitoring solutions are impractical for real

Conformational dynamics of the hepatitis B virus pre-genomic RNA on multiple time scales: implications for viral replication

September 30, 2022
Author(s)
Lucasz T. Olenginski, Wojciech K. Kasprzak, Christina Bergonzo, Bruce A. Shapiro, Theodore Kwaku Dayie
HBV replication is initiated by the binding of polymerase (P) to epsilon (ε), a 61 nucleotide (nt) cis -acting regulatory stem-loop RNA located at the 5′-end of the pregenomic RNA (pgRNA). This interaction triggers protein-primed reverse transcription and

Double Interpolation to Achieve Linear Strain Path for AISI 1008 Steel Cruciform Specimen

September 30, 2022
Author(s)
Jordan Hoffman, Jinjin Ha, Brad Kinsey, Mark Iadicola, Dilip K. Banerjee
The automotive industry relies heavily on sheet metal forming processes for many components. Material data solely from uniaxial testing is insufficient to fully define the material behavior of the complex plastic deformation during numerical simulations of

Evaluation of Data-Driven Models in Human-Robot Load-Sharing

September 30, 2022
Author(s)
Vinh Nguyen, Jeremy Marvel
Human-robot load-sharing is a potential application for human-robot collaborative systems in production environments. However, knowledge of the appropriate data-driven models for this application type is limited due to a lack of physical real-world data

Extremely broadband calibrated bolometers and microbolometer arrays for Earth radiation budget measurements

September 30, 2022
Author(s)
Michelle Stephens, Chris Yung, Nathan Tomlin, Dave Harber, Cameron Straatsma, Atasi Dan, Erica Freire Antunes, Peter Pilewskie, Odele Coddington, John H. Lehman
The Earth radiation budget, a 40-year data record of the balance between solar radiation reaching the Earth and the amount absorbed, reflected, and emitted from the Earth, is a key climate record for determining whether the Earth is warming or cooling. The

Measurements and Predictions of the Aerosol Dynamics of Smoke

September 30, 2022
Author(s)
Amy Mensch, Haley Hamza, Thomas Cleary
Better understanding and ability to predict the aerosol dynamics of soot can improve life safety predictions generated by fire modeling tools. NIST's fire modeling tool, Fire Dynamics Simulator (FDS), is commonly used by the international fire protection

New Standards Working Group on Semantic Maps and More to Come!

September 30, 2022
Author(s)
Jaeho Lee, Craig I. Schlenoff
The Robotics and Automation Society's (RAS) standards working groups continue to grow. Our current working groups are pursuing standards and guidelines in the following areas. - Autonomous Robots - Ethically Driven Nudging for Robotic, Intelligent and

Periodic Table of the Elements

September 30, 2022
Author(s)
Karen Olsen
The periodic table contains NIST's latest critically evaluated data for atomic properties of the elements.

Towards the Physical Reliability of 3D-Integrated Systems: Broadband Dielectric Spectroscopic (BDS) Studies of Material Evolution and Reliability in Integrated Systems

September 30, 2022
Author(s)
Papa Amoah, Joseph J. Kopanski, Yaw S. Obeng, Christopher Sunday, Chukwudi Okoro, Lin You, Dmirty Veksler
In this paper, we present an overview of our current research focus in developing non-destructive metrology for monitoring reliability issues in 3D-integrated electronic systems. We introduce a suite of non-destructive metrologies that can serve as early

compareMS2 2.0: An Improved Software for Comparing Tandem Mass Spectrometry Datasets

September 29, 2022
Author(s)
Rob Marissen, Jeroen Laros, Josef Rasinger, Madhushri Varunjikar, Ben Neely, Magnus Palmblad
It has long been known that biological species can be identified from mass spectrometry data alone. Ten years ago, we described a method and software tool, compareMS2, for calculating a distance between sets of tandem mass spectra, as routinely collected

NIST Scientific Integrity Program Annual Report

September 29, 2022
Author(s)
Anne Andrews
This report summarizes the findings of the NIST Scientific Integrity Program assessment of the program for the period between 1 January 2020 and 31 May 2022. It provides an assessment of the current state of the program in advance of planned updates in

Status Report on the Third Round of the NIST Post-Quantum Cryptography Standardization Process

September 29, 2022
Author(s)
Gorjan Alagic, Daniel Apon, David Cooper, Quynh Dang, Thinh Dang, John M. Kelsey, Jacob Lichtinger, Yi-Kai Liu, Carl A. Miller, Dustin Moody, Rene Peralta, Ray Perlner, Angela Robinson, Daniel Smith-Tone
The National Institute of Standards and Technology is in the process of selecting public-key cryptographic algorithms through a public, competition-like process. The new public-key cryptography standards will specify additional digital signature, public

2F - A New Method for Constructing Efficient Multivariate Encryption Schemes

September 28, 2022
Author(s)
Daniel Smith-Tone
The Support Minors method of solving the MinRank problem has contributed to several new cryptanalyses of post-quantum cryptosystems including some of the most efficient multivariate cryptosystems. While there are a few viable multivariate schemes that are

Breaking Category Five SPHINCS+ with SHA-256

September 28, 2022
Author(s)
Ray Perlner, David Cooper, John M. Kelsey
SPHINCS+ is a stateless hash-based signature scheme and a finalist in the NIST PQC standardization process. Its security proof relies on the distinct-function multi-target second-preimage resistance (DM-SPR) of the underlying keyed hash function. The

Efficient inner-to-outer wall energy transfer in highly pure double-wall carbon nanotubes revealed by detailed spectroscopy

September 28, 2022
Author(s)
Maksiem Erkens, Dmitry Levshov, Wim Wenseleers, Han Li, Benjamin Flavel, Jeffrey Fagan, Valentin Popov, Marina Avramenko, salome forel, Emmanuel FLAHAUT, Sofie Cambre
The coaxial stacking of two SWCNTs into a double-wall carbon nanotube (DWCNT), forming a so-called one-dimensional van der Waals structure, leads to synergetic effects that dramatically affect the optical and electronic properties of both layers. In this

IPRainbow

September 28, 2022
Author(s)
Ryann Cartor, Max Cartor, Mark Lewis, Daniel Smith-Tone
The Rainbow signature scheme as proposed in [10] is the only multivariate scheme listed as a finalist in round 3 of the NIST post-quantum standardization process. A few recent attacks, including the intersection and rectangular MinRank attacks of [3] and

Influence of Inorganic Layer Thickness on Methylammonium Dynamics in Hybrid Perovskite Derivatives

September 27, 2022
Author(s)
Alexandra Koegel, Iain Oswald, Chuy Rivera, Samantha L. Miller, M. Fallon, Timothy R. Prisk, Craig Brown, James Neilson
The layered Ruddlesden-Popper derivatives of CH 3NH 3PbI 3 have recently emerged as high-performing materials for photovoltaics with improved stability. The inclusion of organic molecules within the inorganic framework provides additional dynamic degrees
Displaying 1726 - 1750 of 74084