Open Access. Powered by Scholars. Published by Universities.®

Science and Technology Studies Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 23 of 23

Full-Text Articles in Science and Technology Studies

Plastic Deformation Of Steel Plates Under High Impact Loading, Brendan O'Toole Mar 2014

Plastic Deformation Of Steel Plates Under High Impact Loading, Brendan O'Toole

NSTec UNLV Symposium

  • UNLV Two-stage Light Gas Gun
  • Experimental Measurements
  • Physical Results of Impact on Target Plates
  • Research Objectives
  • Computational Analysis Methods
  • Material Models used in Computational Analysis
  • Simulation Comparison: Crater and Deformation
  • Simulation Comparison: Free Surface Velocity
  • High Speed Video of Experiments
  • Microscopy of Failure Surface: Is Phase Change an Issue?
  • Electron Back Scatter Diffraction (EBSD) of Failure Surfaces
  • On-going Plans and Future Work


Explore The Six Fundamentals Unlv Accelerated: High-Energy X-Ray Applications (Hexa), Oliver A. Hemmers Mar 2014

Explore The Six Fundamentals Unlv Accelerated: High-Energy X-Ray Applications (Hexa), Oliver A. Hemmers

NSTec UNLV Symposium

  • UNLV and HEXA for a Brighter Southern Nevada Future
  • History of HEXA’s Public-­‐Private Partnership
  • Discovery Through Research and Innova4ve Technologies
  • The Innova4ve Process
  • Southern Nevada Research and Economic Development Applica4ons
  • HEXA Program Benefits


The Unlv Xps Facility – Research Opportunities, Allen L. Johnson Feb 2012

The Unlv Xps Facility – Research Opportunities, Allen L. Johnson

NSTec UNLV Symposium

XPS Outline

•XPS – what is it?

•How is it done?

•What are its limitations?

•Future direction – radioactive samples

–Sample containment and transport
–Sputter controls
–Radiation limits

•Summary


Visualization Facility At Unlv Gis And Remote Core Lab, Haroon Stephen Feb 2012

Visualization Facility At Unlv Gis And Remote Core Lab, Haroon Stephen

NSTec UNLV Symposium

Outline

  • About GIS/RS Lab
  • Visualization Facility
  • Research Areas
  • Summary


Establishing A Center Of Excellence For Security Science And Engineering, Ke-Xun Sun Feb 2012

Establishing A Center Of Excellence For Security Science And Engineering, Ke-Xun Sun

NSTec UNLV Symposium

Outline

• Introduction
• Progress report
• NNSA proposal to establishCenter of Excellence for Security Science and Engineering
• Perspective on UNLV-NSTec collaboration


Development Of Ion Beam Nuclear Transmutation Doping (Ibntd) For Novel Electronics In Extreme Conditions, Michael G. Pravica, Noel A. Guardala, Jack L. Price Feb 2012

Development Of Ion Beam Nuclear Transmutation Doping (Ibntd) For Novel Electronics In Extreme Conditions, Michael G. Pravica, Noel A. Guardala, Jack L. Price

NSTec UNLV Symposium

Development of IBNTD for electronics under extreme conditions.

•We hope to create novel wide bandgap devices using Ion Beam Nuclear Transmutation Doping (IBNTD). These devices may be used as rugged high power switches, and high current/low noise amplifiers. Diamond in itself represents a “Holy Grail” for electrical applications due to its very high thermal conductivity and excellent electrical characteristics.
•We also hope to develop devices that can convert the enormous energy from high-energy nuclear particles (α2+,β-,β+, γparticles) into useful electricity and thus harness the enormous energy still contained in “spent” nuclear fuel. Developing these direct energy conversion ...


Mission Perspective: Non-Proliferation, Emergency Response, And Other Missions Supported By Sdrd, Paul Guss Feb 2012

Mission Perspective: Non-Proliferation, Emergency Response, And Other Missions Supported By Sdrd, Paul Guss

NSTec UNLV Symposium

The NNSS provides scientific data and technical solutions to fulfill national security needs

Our mission has evolved from past history and now includes...

  • Stockpile Stewardship
  • Non-proliferation & Emergency Response
  • Homeland Security
  • Defense Applications
  • Special Technologies


Radiography And Image Processing, Stephen E. Mitchell Feb 2012

Radiography And Image Processing, Stephen E. Mitchell

NSTec UNLV Symposium

Outline

• Introduction
• What? Why? Etc.
• Pulsed Power
• Diode Physics
• Radiography ABC’s
• Challenges


Matter Under Unusual Conditions, Bernard Zygelman Feb 2012

Matter Under Unusual Conditions, Bernard Zygelman

NSTec UNLV Symposium

What is curiosity – driven research and why do we support it?

Vannevar Bush Science The Endless Frontier (1945)

“Science is the pacemaker of technological progress … New productsand new processes do not appear full-grown. They are founded on newprinciples and new conceptions, which in turn are painstakingly developedby research in the purest realms of science“

•Magnetic Resonance Imaging
•Positron Emission Tomography
•Laser applications
•GPS
•Nano Technology


National Center For Nuclear Security, Veraun Chipman, Amanda Klingensmith, Cathy Snelson Feb 2012

National Center For Nuclear Security, Veraun Chipman, Amanda Klingensmith, Cathy Snelson

NSTec UNLV Symposium

National Center for Nuclear Security (NCNS) Mission

•Chartered mission is to enhance the Nation’s verification and detection capabilities in support of nuclear arms control and nonproliferation through R&D activities at the NNSS
•Three focus areas
–Treaty Verification Technologies
–Nonproliferation Technologies
–Technical Nuclear Forensics


Overview Of Nstec Plasma Focus Tubes And Magnetohydrodynamic Modeling Capabilities, Tim Meehan Feb 2012

Overview Of Nstec Plasma Focus Tubes And Magnetohydrodynamic Modeling Capabilities, Tim Meehan

NSTec UNLV Symposium

•Brief Description of how DPFs work, in general what they are useful for.
•DPF devices that we have at NSTec
•Using MHD modeling software to optimize designs and predict performance
•Neutron Resonance Spectroscopy


Development Of Smart Pv Inverters For The Smart Grid, Yahia Baghzouz Feb 2012

Development Of Smart Pv Inverters For The Smart Grid, Yahia Baghzouz

NSTec UNLV Symposium

The Electric Grid has become more complex with recent technological developments. There are more alternative power sources and sensors added into the mix at every part of the grid. The Energy Meter has changed over the past several years as well. The older meters were checked only once a month with a meter reader, but the new "Smart" Meters are capable of reporting energy usage at fifteen minute intervals.


Unlv Center For Materials And Structures: Structural Response Due To Blast Loadingand Dynamic Material Characterization, Brendan O'Toole, Mohamed Trabia, Jagadeep Thota Feb 2012

Unlv Center For Materials And Structures: Structural Response Due To Blast Loadingand Dynamic Material Characterization, Brendan O'Toole, Mohamed Trabia, Jagadeep Thota

NSTec UNLV Symposium

Presentation Outline

  • Objectives of our Explosives Related Research
  • Computational Analysis Approach
  • Blast Project Summaries
  • Dynamic Material Characterization
  • Potential Collaborative Projects

  • Pmts And Radiation/Particle Detection Technologies, Brent Davis Feb 2012

    Pmts And Radiation/Particle Detection Technologies, Brent Davis

    NSTec UNLV Symposium

    Describes technical standards for equipment in the field of Nuclear and Optical Physics.


    2011 Research Highlights, Yusheng Zhao Feb 2012

    2011 Research Highlights, Yusheng Zhao

    NSTec UNLV Symposium

    Overview

    •Center Mission and Cluster Tasks
    •Recent Scientific Achievements
    •Current & Future Developments


    Unlv Em-Dot Research, Highlights Of Improvised Electric Detonator (Wire Melt) Research, And Comments On Basic Research With Unlv Non-Equilibrium Plasma Pinch, Robert A. Schill Jr. Feb 2012

    Unlv Em-Dot Research, Highlights Of Improvised Electric Detonator (Wire Melt) Research, And Comments On Basic Research With Unlv Non-Equilibrium Plasma Pinch, Robert A. Schill Jr.

    NSTec UNLV Symposium

    UNLV EM DOT

    •Patented
    –Patent Number: 7,482,814 [1/27/2009]
    •Novel Differential Dot
    –Wide bandwidth & Matched
    –Symmetric, shielded sensor
    –Measures the E and B fields at a single point in space simultaneously
    •Transient Calibration Technique Developed –Excellent Agreement
    –Low inductance test stand –relatively uniform B-field
    –Low capacitance test stand –relatively uniform E-field
    –Test stand is the limiting factor at this time


    Event Flyer, University Of Nevada, Las Vegas Feb 2012

    Event Flyer, University Of Nevada, Las Vegas

    NSTec UNLV Symposium

    Featuring 18 scientists and engineers from UNLV and NSTec describing their work as it relates to national security requirements for the United States.

    Join us for a quick-paced forum to help determine collaborations suitable for advancing engineering and scientific research at NSTec and UNLV.


    Second Life Virtual Universities: A Visual Analysis, Zeenath Haniff Apr 2011

    Second Life Virtual Universities: A Visual Analysis, Zeenath Haniff

    Graduate Research Symposium (GCUA) (2010 - 2017)

    General academic objectives include producing an educational experience that is engaging, interactive, collaborative, experiential and productive. The goal is to promote learner engagement through the visual power of a newly adopted medium in education – universities in the multi-user virtual environment (MUVE) of Second Life. Attributes of the virtual reality aid visual learning in the online environment: (1) computer-generated content, (2) three-dimensional graphics, and (3) interactivity. Visual renditions of campus buildings and fellow students as avatars emotionally connect students to feel a sense of presence and community within the virtual learning platform. Additionally, the ability to see and hear their classmates ...


    Adaptation Of The Nevada Climate Change Data Portal Web Interface To Small-Screen Mobile Devices, Tsvetan Komarov Apr 2011

    Adaptation Of The Nevada Climate Change Data Portal Web Interface To Small-Screen Mobile Devices, Tsvetan Komarov

    Festival of Communities: UG Symposium (Posters)

    Robust and convenient access to the Nevada Climate Change Data Portal is vital for the project’s success, because of the researchers’ need to gather and analyze large volumes of data with minimal effort. However, the current version of the data portal web interface is not optimized for small-screen mobile devices such as mobile phones, PDAs, iPads, NetBooks, and others. The proposed research will address this issue by exploring the current methods for creating a client-aware web interface adaptable to the variety of small-screen devices, designing and implementing the most appropriate solution, and finally, user testing of the implemented solution.


    How Science Is Visually Portrayed In The Media: An Examination Of Science Times, Rachel Toyer, Larry Mullen Apr 2010

    How Science Is Visually Portrayed In The Media: An Examination Of Science Times, Rachel Toyer, Larry Mullen

    Graduate Research Symposium (GCUA) (2010 - 2017)

    This poster will illustrate preliminary findings of how science images are portrayed in the New York Times, specifically, the Science Times section that is published every Tuesday and has grown in readership and popularity. Science images, five issues per year, have been coded over the past 34 years since the Science Times section first appeared in print. Our work follows trends that observe types of images, how many images are present, and whether the image is a photo or graphic of some sort.


    International Symposium On Technology And Society Program, David M. Hassenzahl Jun 2007

    International Symposium On Technology And Society Program, David M. Hassenzahl

    International Symposium on Technology and Society

    Conference program


    International Symposium On Technology And Society Invitation, David M. Hassenzahl May 2007

    International Symposium On Technology And Society Invitation, David M. Hassenzahl

    International Symposium on Technology and Society

    Conference invitation


    International Symposium On Technology And Society Program +, David M. Hassenzahl May 2007

    International Symposium On Technology And Society Program +, David M. Hassenzahl

    International Symposium on Technology and Society

    Conference program, call for papers, & proposal