An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
"Evaluation as a service" (EaaS) is a new methodology that enables community-wide evaluations and the construction of test collections on documents that cannot...
Using the inferred measures framework is a popular choice for constructing test collections when the target document set is too large for pooling to be a viable...
The National Institute of Standards and Technology (NIST) presents a plan for evaluating and verifying the performance of the refurbished Ft. Huachuca Antenna...
Randall J. McDermott, Ashish Newale, Brent Rankin, Harshad Lalit, Jay P. Gore
Radiation from buoyant diffusion flames with and without impingement on a flat plate is studied using a unique quantitative comparison of measured and simulated...
Kuldeep Prasad(1), Brian Lamb(2), Maria Obiminda Cambaliza(3), Tegan Lavoie(3), Olivia E Salmon(3), Paul Shepson(3), Thomas Lauvaux(4), Ken Davis(4), and James...
Monique E. Johnson, Shannon Hanna, Antonio R. Montoro Bustos, Bryant C. Nelson, Elijah J. Petersen, Lee L. Yu
The advent of engineered nanoparticles (ENPs) and their increased use has remarkably improved the performance of basic materials and consumer products, but has...
Carelyn E. Campbell, Ursula R. Kattner, Alden A. Dima, Scott Henry, Larry A. Berardinis, Tom Searles, Laura M. Bartolo
Integrated Computational Materials Engineering (ICME)requires the availability of supporting data for modeling across multiple length scales. It also requires...
This research describes a novel security metric, network taint, which is related to software taint analysis. We use it here to bound the possible malicious...
Stephan Schlamminger, Darine El Haddad, Frank C. Seifert, Leon S. Chao, David B. Newell, Ruimin Liu, Richard L. Steiner, Jon R. Pratt
In 2013, a new measurement of the Planck constant h was performed using a watt balance at the National Institute of Standards and Technology (NIST). The value...
Leonard M. Hanssen, Sergey Mekhontsev, Jinan Zeng, John H. Burnett
The Infrared Optical Properties of Materials program in the Sensor Science Division at the National Institute of Standards and Technology (NIST) continues to...
Shokouh Pourarian, Jin Wen, Daniel Veronica, Xiaohui Zhou, Ran Liu
Dynamic simulation software "tools" are needed for the research and development of improved methods for automatic control and automated fault detection and...
This paper presents a framework for object recognition using topological persistence. In particular, we show that the so-called persistence diagrams built from...
Social media has become a mainstream activity where people share all kinds of personal and intimate details about their lives. These social networking sites...
We discuss frequency synthesizer needs and recent phase-noise results of a multi-level frequency divider that are consistent with phase noise of new high...
Low Density Parity Check (LDPC) error correction is a one-way algorithm that has become popular for quantum key distribution (QKD) post-processing. Graphic...
Engineering information systems play an important role in the current era of digitization of manufacturing, which is also known as smart manufacturing...
Kristen Greene, Melissa A. Gallagher, Brian C. Stanton, Paul Y. Lee
Given the numerous constraints of onscreen keyboards, such as smaller keys and lack of tactile feedback, remembering and typing long, complex passwords an...
Many users must authenticate to multiple systems and applications, often using different passwords, on a daily basis. At the same time, the recommendations of...
Passwords are the most commonly used mechanism in controlling users access to information systems. Little research has been established on the entire user...
Jennifer R. Bergstrom, Stefan A. Frisch, David C. Hawkins, Joy Hackenbracht, Kristen K. Greene, Mary Theofanos, Brian Griepentrog
Increasingly, institutions are requiring or recommending that their employees use secure, system-generated passwords. It is not clear how well linguistic and...
The Smart Manufacturing (SM) system should be capable of handling high volume data, process high velocity data and manipulate high variety data. Big data...
Ulf Griesmann, Johannes A. Soons, Quandou (. Wang, Lahsen Assoufid
We report on interferometric measurements of the figure error of an ultra-precise mirror with the shape of an elliptical toroid for the diffraction limited...
Elijah J. Petersen, Pawel Jaruga, M Miral Dizdar, Bryant C. Nelson
Mass spectrometry techniques have been employed as one of the primary analytical tools for investigating the effects of oxygen-derived free radicals on the...
Elijah J. Petersen, Theodore Henry, Jian Zhao, Robert MacCuspie, Teresa L. Kirschling, Vincent A. Hackley, Baoshan Xing, Jason White
Engineered nanomaterials (ENMs) have significant commercial potential in a broad range of industries for consumer products as a result of their novel properties...
Chun-Chieh Tien, Ching-Hsuan Chang, Bernard Hao-Chih Liu, Deborah Jacobs, Savelas A. Rabb, Lee L. Yu, Tinh Nguyen, Li Piin Sung
Polymer nanocoatings are increasingly used outdoors and in harsh environments. However, because most common polymers degraded by the weathering elements...
Elijah Petersen, Thomas F. Lam, Justin Gorham, Keana Scott, Chris Long, Renu Sharma, Li Piin Sung, James Alexander Liddle, Tinh Nguyen
Nanomaterials can be used as nanofillers to enhance the properties of polymeric materials. However, the effect of weathering on nanocomposites and the potential...
Savelas A. Rabb, Deborah S. Jacobs, Li Piin Sung, Tinh Nguyen, Lee L. Yu
The impact of nanoparticles on the environment and, more importantly, the human population has been of great interest for the past few years. Release of these...
Brandon M. Lane, Eric P. Whitenton, Viswanathan Madhavan, M A. Donmez
This paper presents an analysis of the uncertainty in measurement of the peak temperature on the side face of a cutting tool by infrared thermography. An...