Channel - SNL Colloquia
3/14/2022 8:34:52 PM

Channel Videos

001.01 P&RA CoP Tech Exchange: Recent Development in Disposal of High Level Radioactive Waste & Spent Nuclear Fuel - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Peter Swift (SNL) P&RA CoP Tech Exchange Interagency Steering Committee (ISC) on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Recent Developments in Disposal of the High Level Waste and Spent Nuclear Fuel.
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10/20/2017 8:00:00 PM
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001.02 Jill Hruby and Truman Fellows Panel Discussion - Dr. Pauli Kehayias - Sep. 2021
SAND2021-13827 V Presenter(s): Dr. Pauli Kehayias - Former Truman Fellow Description: This is a panel discussion with the outgoing Jill Hruby and Truman Fellows. They will be discussing their experience at Sandia National Labs and answering questions. Keywords: Truman Fellow, Distinguished Fellowships POC: Amy Treece 03000 903-815-5329 825/Aud On Demand
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10/7/2021 9:07:13 PM
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001.02 P&RA CoP Tech Exchange: WIPP PA Sensitivity Studies in Support of CRA-2014 Completeness Determination & Compliance Decision - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Todd Zeitler P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: WIPP PA Sensitivity Studies in Support of CRA-2014 Completeness Determination & Compliance Decision
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10/20/2017 8:00:00 PM
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001.03 Jill Hruby and Truman Fellows Panel Discussion - Dr. Pauli Kehayias - Sep. 2021
SAND2021-13827 V Presenter(s): Dr. Pauli Kehayias - Former Truman Fellow Description: This is a panel discussion with the outgoing Jill Hruby and Truman Fellows. They will be discussing their experience at Sandia National Labs and answering questions. Keywords: Truman Fellow, Distinguished Fellowships POC: Amy Treece 03000 903-815-5329 825/Aud On Demand
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10/7/2021 9:28:39 PM
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001.04 Jill Hruby and Truman Fellows Panel Discussion - Dr. Thomas O’Connor - Sep. 2021
SAND2021-13827 V Presenter(s): Dr. Thomas O'Connor - Former Truman Fellow Description: This is a panel discussion with the outgoing Jill Hruby and Truman Fellows. They will be discussing their experience at Sandia National Labs and answering questions. Keywords: Truman Fellow, Distinguished Fellowships POC: Amy Treece 03000 903-815-5329 825/Aud On Demand
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10/7/2021 9:07:54 PM
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001.05 P&RA CoP Tech Exchange: Panel Discussion - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Todd Zeitler (SNL), Kathy Economy (EPA) and Ricardo Maestas (NMED) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Panel Discussion.
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10/20/2017 8:00:00 PM
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001.06 Jill Hruby and Truman Fellows Panel Discussion - Dr. Thomas O’Connor - Sep. 2021
SAND2021-13827 V Presenter(s): Dr. Thomas O'Connor - Former Truman Fellow Description: This is a panel discussion with the outgoing Jill Hruby and Truman Fellows. They will be discussing their experience at Sandia National Labs and answering questions. Keywords: Truman Fellow, Distinguished Fellowships POC: Amy Treece 03000 903-815-5329 825/Aud On Demand
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10/7/2021 9:28:50 PM
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001.06 P&RA CoP Tech Exchange: Update on Current 10 CFR Part 61 Low Level Waste Activities - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Chris McKenney (NRC) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Update on Current 10CFR Part 61 Low-Level Waste Activities.
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10/20/2017 8:00:00 PM
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001.07 Jill Hruby and Truman Fellows Panel Discussion - Dr. Chen Wang - Sep. 2021
SAND2021-13827 V Presenter(s): Dr. Chen Wang - Former Hruby Fellow Description: This is a panel discussion with the outgoing Jill Hruby and Truman Fellows. They will be discussing their experience at Sandia National Labs and answering questions. Keywords: Truman Fellow, Distinguished Fellowships POC: Amy Treece 03000 903-815-5329 825/Aud On Demand
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10/7/2021 9:06:54 PM
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001.07 P&RA CoP Tech Exchange: DOE Order 435.1 Disposal Authorization & Tank Closure Technical Standard - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Roger Seitz (SRNL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: DOE Order 435.1 Disposal Authorization and Tank Closure Technical Standard.
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10/20/2017 8:00:00 PM
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001.09 P&RA CoP Tech Exchange: Erosion Analysis for Los Alamos National Laboratory Material Disposal Area G - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Philip Stauffer (LANL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Erosion Analysis for Los Alamos National Laboratory Material Disposal Area G.
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10/20/2017 8:00:00 PM
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001.10 P&RA CoP Tech Exchange: Cliff Retreat Monitoring at Technical Area 54 - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Elizabeth Miller (LANL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Cliff Retreat Monitoring at Technical Area 54, Los Alamos National Laboratory.
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10/20/2017 8:00:00 PM
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001.12 P&RA CoP Tech Exchange: Central Plateau Vadose Zone Geoframework for the Hanford Site Composite Analysis Revision Scope - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Alaa Aly (INTERA) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Central Plateau Vadose Zone Geoframework for the Hanford Site Composite Analysis Revision Scope.
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10/20/2017 8:00:00 PM
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001.14 P&RA CoP Tech Exchange: Scott Kirk - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Scott Kirk (BWXT) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting.
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10/20/2017 8:00:00 PM
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001.15 P&RA CoP Tech Exchange: Panel Discussion - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Phillip Stauffer (LANL), Dib Goswami (WA Ecology), Alaa Aly (INTERA), Bob Andrews (INTERA), Gary Pyles (DOE ORP) and Scott Kirk (BWXT) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Panel Discussion.
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10/20/2017 8:00:00 PM
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002.01 P&RA CoP Tech Exchange: Overview of IAEA MODARA II Working Group 1 - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Tamara Yankovich (IAEA) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Overview of IAEA MODARA II Working Group 1.
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10/20/2017 8:00:00 PM
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002.02 P&RA CoP Tech Exchange: Initiatiatives for Stakeholder Engaged, Risk-Informed Decision Making Framework - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Paul Black (Neptune) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Stakeholder Engaged, Risk-Informed Decision Making Framework.
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10/20/2017 8:00:00 PM
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002.03 P&RA CoP Tech Exchange: Modeling of Resuspension: Prediction & Validation of Radioactive Dust Emissions from Contaminated Areas - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Jeff Whicker (LANL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Modeling of Resuspension: Prediction & Validation of Radioactive Dust Emissions from Contaminated Areas.
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10/20/2017 8:00:00 PM
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002.04 P&RA CoP Tech Exchange: Resistive Barriers vs. Water Balance Covers - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Craig Benson (UVA) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Performance of Landfill Covers at Grand Juction and Monticello Sites.
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10/20/2017 8:00:00 PM
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002.05 P&RA CoP Tech Exchange: Cover System Differential Settlement Modeling - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Te-Yang Soong (CTI) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Cover System Differential Settlement Modeling.
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10/20/2017 8:00:00 PM
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002.06 P&RA CoP Tech Exchange: Panel Discussion - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Craig Benson (UVA), Te-Yang Soong (CTI), Steve Dwyer (Dwyer) and George Alexander (NRC) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Panel Discussion.
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10/20/2017 8:00:00 PM
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002.07 P&RA CoP Tech Exchange: Waste Receipt during Operations of Disposal Facilities - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Ed Winner (KY DEP) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Waste Receipt during Operations of Disposal Facilities.
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10/20/2017 8:00:00 PM
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002.08 P&RA CoP Tech Exchange: Environmental Monitoring and Modeling at Former Mill Tailing Sites - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Josh Linard (DOE LM) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Environmental Monitoring and Modeling at Former Mill Tailing Sites.
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10/20/2017 8:00:00 PM
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002.09 P&RA CoP Tech Exchange: Define End-State and Optimize Monitoring Program Using High-Performance Computing - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Haruko Wainwright (LBNL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Define End-State and Optimize Monitoring Program Using High-Performance Computing.
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10/20/2017 8:00:00 PM
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002.10 P&RA CoP Tech Exchange: Panel Discussion - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Ed Winner (KY DEP), Josh Linard (DOE LM), Haruko Wainwright (LBLM), Vicky Freedman (PNNL) and George Alexander (NRC) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting Panel Discussion.
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10/20/2017 8:00:00 PM
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002.11 P&RA CoP Tech Exchange: Los Alamos National Laboratory Groundwater Projects - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Michael Dale (NMED) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Los Alamos National Laboratory Groundwater Projects.
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10/20/2017 8:00:00 PM
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002.12 P&RA CoP Tech Exchange: Machine Learning, Uncertainty Quantification and Decision Analysis: LANL Groundwater Contaminant Remediation Projects - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Monty Vesselinov (LANL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Machine Learning, Uncertainty Quantification and Decision Analysis Related to the LANL Groundwater Contaminant Remediation Projects.
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10/20/2017 8:00:00 PM
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002.13 P&RA CoP Tech Exchange: Panel Discussion - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Monty Vesselinov (LANL) and Michael Dale (SNL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Panel Discussion.
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10/20/2017 8:00:00 PM
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002.14 P&RA CoP Tech Exchange: Technology Readiness Assessment Process Applied to Post-closure Performance of Deep Geological Repositories - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Dave Sevougian (SNL) P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Technology Readiness Assessment Process Applied to Post-closure Performance of Deep Geological Repositories.
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10/20/2017 8:00:00 PM
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002.15 P&RA CoP Tech Exchange - Discussion - Oct. 2017
SAND Number: SAND2017-12415V Presenter(s): Various P&RA CoP Tech Exchange Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting: Discussion.
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10/20/2017 8:00:00 PM
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25th Anniversary of the Z-Machine: Live Portions - Sep. 2021
SAND Number: SAND2021-13726 V Presenter(s): Dan Sinars (SNL), Susan Seestrom (SNL), Njema Frazier (DOE/NNSA), Gerold Yonas (retired SNL), Pace VanDevender (retired SNL), Donald Cook (retired SNL and former NNSA Defense Programs Administrator), Jeffrey Quintenz (retired SNL), Keith Matzen (SNL) Description: The event will have speakers, presentations, live stream and a virtual tour of the Zmachine. POC: Brenda Y Ortiz 00100 505/844-4767 825/Aud Live Closed Captioning
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9/21/2021 3:00:00 PM
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4800 All Hands - Oct. 2019
SAND Number: SAND2020-1760 V Presenters: Marcelino Romanos, Steve Fattor, Camille Reyes, Julie Cordero Center 4800 All Hands Meeting - The purpose of this meeting is to share information about the accomplishments that have occurred in the Center and to talk about the future of the Center or upcoming changes. POC: Carrie Devonshire 04800 505/844-4404 825/Aud On Demand
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10/2/2019 3:00:00 PM
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A Case Study in Secure Systems Design - Jul. 2011
SAND Number: SAND2012-4053P Presenter(s): Lyndon Pierson, Trent Jaeger, Bruce McMillin, Paul Gratz and Ryan Kastner Description: Using smart meters as a motivating engineering challenge. This session will consider how smart meters could be designed to provide robust authentication of access control to prevent an electrical "denial of service" attack. Participants will be given additional background before the workshop outlining desired functional requirements and perceived engineering challenges related to how a very inexpensive, mass-produced secure smart meter could be designed and validated drawing largely on untrusted commercial components. What are the existing security approaches, architectures, and technologies that could be applied? And the remaining research gaps? Would this problem be a good candidate for a national (or global) prize-based design competition?
8551-1 Digital Media Operations
7/18/2012 2:02:00 PM
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B&MSSS: New Phylogenetic Placement and Taxon Identification Methods for Metagenomic Data - Jul. 2012
SAND Number: SAND2012-3307P Internal Release Only Presenter: Dr. Tandy Warnow Bioscience/Material Science Speaker Series (B&MSSS) Phylogenetic placement arises in the analysis of metagenomic data, in which the objective is to insert short molecular sequences (called "query sequences") into an existing phylogenetic tree and alignment on full-length sequences for the same gene. We present SEPP, a general ``boosting" technique to improve the accuracy and/or speed of phylogenetic placement techniques. The key algorithmic aspect of SEPP is a dataset decomposition technique in SATe (Liu et al., Science 2009 and Systematic Biology (in press), a method that utilizes an iterative divide-and-conquer technique to co-estimate alignments and trees on large molecular sequence datasets. We show that SEPP improves current phylogenetic placement methods, placing metagenomic sequences more accurately when the set of input sequences has a large evolutionary diameter and produces placements of comparable accuracy in a fraction of the time for easier cases. We then show that a combination of Metaphyler (Liu et al, BMC Genomics 2011) and SEPP produces dramatically improved accuracy over all current taxon identification methods. Joint work with Siavash Mirarab and Nam Nguyen, PhD students at UT-Austin, and Bo Liu and Mihai Pop at the University of Maryland.
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7/18/2012 2:25:00 PM
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Giant Impacts: The Key to Unlocking the Mysteries of the Moon and Mercury - Jul. 2012
SAND Number: SAND2012-5149P Presenter: Professor Sarah Stewart During the end stage of accretion, giant impacts leave an indelible mark on the final physical and dynamical properties of a terrestrial planet. Giant impacts are invoked to explain the large core of Mercury, the retrograde spin of Venus, the crustal thickness asymmetries on the Moon and Mars, and the origin of the moons around Earth and Pluto. The diversity of features arises from the large range of impact outcomes encountered during the end stage of planet formation. Using recent results on the dynamics and thermodynamics of giant impacts, I will describe their effects on the physical properties of the final planets and address the current debates on the origin of the Moon and Mercury.
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7/18/2012 2:34:00 PM
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Hydrology Time Capsule: Underground Water Flow - Jul. 2012
SAND Number: SAND2012-2301P Presenter: R. Allan Freeze Hydrology Time Capsule: Underground Water Flow.
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7/18/2012 3:04:00 PM
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IFSA Virtual Meeting - Sep. 2021
SAND Number: SAND2021-13748 V Presenter(s): Dan Sinars (SNL), John Edwards (LLNL), Yutong Li (Asia-IOP), Erik Lefebvre (Europe-CEA), John Kline (LANL), Michelle A. Chavez (SNL), Lauren Shreve (SNL) Description: International Conference on Inertial Fusion Sciences and Applications (IFSA 2021) will be held virtually, on September 22, 2021. The goal of IFSA2021 is to bring together scientists and engineers in the fields of inertial fusion sciences and high-energy-density physics, of their applications and of the all the required technologies. Keywords: IFSA 2021 POC: Michelle A Chavez 10000 505/845-8563 825/Aud On Demand
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9/22/2021 1:00:00 PM
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Knowledge Management at NASA: Case Studies and Lessons Learned - Apr. 2015
SAND Number: SAND2015-3572V Presenter: Dr. Ed Rogers, Chief Knowledge Officer NASA Goddard Space Flight Center and David Oberhettinger, Chief Knowledge Officer NASA/Caltech Jet Propulsion Laboratory (JPL) Shortly after 9:00am on February 1st, 2003, the Space Shuttle Columbia broke apart during re-entry and the seven astronauts on board perished. In the accident investigation report it was stated that, “NASA …has not demonstrated the characteristics of a learning organization.” This statement caused considerable consternation and thinking inside NASA. Dr. Ed Rogers was hired that same year as Chief Knowledge Officer to help the Goddard Space Flight Center become the kind of learning organization that doesn’t repeat mistakes. In this two-part story-telling presentation, Dr. Rogers will share the highlights of what he learned about how to change the way an organization like NASA thinks about learning. He’ll share his journey and the simple principles and practices he made use of along the way. Our second speaker, David Oberhettinger, the Jet Propulsion Laboratory (JPL) Chief Knowledge Officer (CKO) and LLC Chair, will discuss lesson learned best practices. For example, NASA components like the “sky crane” that landed Mars Science Laboratory in 2012 must be very robust, but the high risk associated with one-of-a-kind, never-before-flown spacecraft means that hardware and software faults are inevitable. In this inherently risky business, it behooves us to make “new” mistakes and to avoid repeating known errors with these national assets. JPL “infuses” each lesson learned into our two primary “engineering bibles” so an organization is not dependent on the key person reading the lesson at the key point in the project lifecycle. A formal lessons learned process is a hallmark of a mature engineering organization. The NASA/Caltech Jet Propulsion Laboratory (JPL) has a Lessons Learned Committee (LLC) that has met weekly since 1984 to evaluate lesson learned candidates and prepare lesson learned for publication in the NASA repository.
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4/16/2015 7:00:00 PM
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NSSS: A Conversation with the President’s Science Advisor - Sep. 2012
SAND Number: SAND2012-6887P Presenter: Dr. John Holdren, Assistant to the President Obama for Science and Technology and Director of White House Office of Science and Technology Policy
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9/10/2012 4:42:00 PM
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NSSS: Presidents and Disasters - May 2017 (Sanitized)
SAND Number: SAND2017-7311V (Sanitized) Presenter(s): Dr. Tevi D. Troy National Security Speaker Series (NSSS) Tevi Troy is the CEO of the American Health Policy Institute, a best-selling presidential historian, and a former senior government official. He is the author of the book, Shall We Wake the President? Two Centuries of Disaster Management in the Oval Office. Dr. Troy has extensive White House experience, having served in several high-level positions over a five-year period, culminating in his service as Deputy Assistant and then Acting Assistant to the President for Domestic Policy.
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7/13/2017 5:13:30 PM
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PReSS/PD2P: Color Detection Using Chromophore-Nanotube Hybrid Devices - Jun. 2009
SAND Number: SAND 2008-7184J Presenter: Xinjian Zhou Postdoctoral Professional Development Program (PD2P) A new solid-state light detection scheme will be discussed in this talk. In our work, single-walled carbon nanotubes transduce the light-induced conformational changes in nearby chromophores into electrical signals. This scheme mimics the way our eyes see the world. The detailed story can be found here: http://www.sandia.gov/news/resources/releases/2009/nano_detect.html. Potential applications of such nano-scale light detectors will also be discussed.
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6/11/2009 5:39:00 PM
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PRess/PD2P: Fascinating Foam - Diverse Applications, Unexpected Properties, and Characterization Challenges - Sep. 2009
SAND Number: SAND2010-1888P Presenter: Jaime M. Kropka Postdoctoral Professional Development Program (PD2P) Foam pervades our everyday lives: we use it to bathe and shave, it floats atop our beer, cappuccino and pie, and it can even infect our bodies in the form of viruses. Although we are able to manipulate foam in these and many other common practices, there is still much we do not know about this fascinatingly complex material. In this talk, some of the intriguing aspects of foam, which could not be predicted based on its constituent components, will be discussed. Some challenging aspects of foam characterization, which have impeded the development of a thorough understanding of the material despite over a century of investigations, will also be presented. Despite these challenges, there are some known aspects of foams and these will be outlined along with how today’s modern tools are being utilized to tell us more about foam structure and dynamics. A brief introduction to Sandia’s interest in foams will then be given, and some of the current research we are conducting to further those interests will be discussed. This work is focused on the preparation of “model” organic foams for use in developing an understanding of how to tune their stability and rheological response. Finally, physical and chemical methods to stabilize the foam will be described and possible new directions for the work will be presented.
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4/1/2010 3:30:00 PM
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PReSS/PD2P: Using Surface Science to Probe Critical Interfaces in Organic and Hybrid Systems - Mar. 2010
SAND Number: SAND2010-1887P Presenter: Michael Brumbach Postdoctoral Professional Development Program (PD2P) This talk will address several uses of surface science for understanding critical interfaces in energy-related devices and for materials characterization. Primary emphasis will be on photoelectron spectroscopy applied to understanding interfaces in organic photovoltaics (OPV). In organic photovoltaics, where solar-to-electric conversion efficiencies are typically low, interfacial phenomena dictate the performance of the solar cell. It is therefore important to understand the interfacial chemistry and energy level alignment at these interfaces to better optimize them for increased PV performance. UV-photoelectron spectroscopy and X-ray photoelectron spectroscopy (UPS/XPS) are ideally suited to examine these interfaces. Several examples of interfacial energy level alignments will be discussed. More general applications of surface science will also be discussed including work from a collaborative effort at the National Synchrotron Light Source where NEXAFS, imaging NEXAFS, and variable energy XPS have been used for a variety of applications.
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4/1/2010 3:26:00 PM
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Sandia Talks: Exceptional Service in 140 Characters - Dec. 2016
SAND Number: SAND2017-12160V Presenter(s): Derrick Hurst Sandia Talks Social media is reshaping our society, and Sandia is leading the way. In a rapidly evolving new media landscape, sharing Sandia’s impact to the nation has never been more important or more high-stakes.
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12/13/2016 3:45:00 PM
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Sandia Tech Talks: Is Blockchain The Answer? - Nov. 2018
SAND Number: SAND2019-6989V Presenter(s): Nicholas D. Pattengale Sandia Tech Talks Vanessa Chavez 03653 (505) 284-3180
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11/6/2018 4:00:00 PM
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Secretary of Energy Rick Perry SNL All Hands - Oct. 2018
SAND Number: SAND2018-11573V Presenter(s): Secretary of Energy Rick Perry Secretary of Energy Sandia National Labs All Hands
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10/9/2018 6:15:00 PM
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Special Tech Seminar: Predicting and Preventing Asteroid Impacts on Earth - Jul. 2012
SAND Number: SAND2012-3306P Internal Release Only Presenter: Ed Lu Distinguished speaker Dr. Edward Lu will discuss the physics, economics, and politics of preventing asteroid impacts on Earth, and recent developments in efforts to map the Solar System for threatening asteroids. A noted scientist and technologist, Dr. Lu is a former NASA astronaut known for tackling and solving complex technical and strategic challenges. Dr. Lu's interest in asteroid deflection led to formation of the nonprofit B612 Foundation for which he serves as Chairman and CEO.
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7/18/2012 3:26:00 PM
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Tech Symposium: Science Going Global (v.2) - Consequences for U.S. Science, Diplomacy, and Opportunity - Jan. 2011
SAND Number:SAND 2010-8513P Presenter: Dr. Nancy Jackson Tech Symposium Science Going Global: Consequences for U.S. Science, Diplomacy, and Opportunity.
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1/17/2011 8:05:00 PM
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The Challenger Accident: Timeless Lessons in Engineering - Feb. 2012
SAND Number: SAND2012-0521P The Challenger Accident occurred on Space Shuttle program's 25th mission in 1986. Although the tragic end to the "teacher in space" mission happened over 25 year ago, many of the lessons learned from this event are just as relevant today as they were when identified following the investigation performed by the President Reagan appointed accident investigation commission. Additionally, many new lessons emerged several years after the accident as a result of studies examining contributing causes and cultural factors.
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2/3/2012 9:03:00 PM
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Truman Lecture Series: Re-Engineering the Engineering Education - May 2008
Sand Number: SAND2008-2498P Responding to a bipartisan request of the U.S. Senate and House of Representatives, the national Academies conducted an assessment of America’s competitive position in the emerging global economy. The effort, known as the Gathering Storm study, concluded that America’s ability to compete for jobs in the future and its ability to meet many of the challenges confronting the nation will be highly dependent upon the country’s prowess in science and engineering. It is the contention of our speaker, Norm Augustine, that the rapidly evolving environment affecting the nation and the engineering profession demands significant changes in the manner in which engineers are educated. Many of these changes will run contrary to the historical context in which engineers have been produced and are not without controversy. The pros and cons of one set of proposed changes will be discussed.
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5/30/2008 5:58:00 PM
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