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Prepared Statement of Dr. John Sarrao, Principal Associate Director, Science, Technology & Engineering, Los Alamos National Laboratory
Los Alamos has a 75 -year tradition of solving complex national security challenges using an interdisciplinary, team-based approach, providing solutions to decision makers. Our work in infrastructure analysis and grid research exemplifies this approach and includes our role in the National Infrastructure Simulation and Analysis Center supported by the Department of Homeland Security. Further, exercising and expanding our capabilities in these areas directly contributes to the successful performance of our core mission in stewarding the United States’ nuclear deterrent.
LLNL and DHS Science and Technology Directorate - Historical relationship
No abstract provided.
Nuclear Fundamentals Orientation Module 1: Weapons Physics Directorate Overview [Slides]
Topics covered include: ALDX Organizational Structure; Weapons Physics Mission; Assessment of the Current Stockpile; Capabilities that ALDX Stewards; U.S. Nuclear Forces; The Future Weapons Science Program; The Nuclear Threats; Some Major Technical Challenges; Final Messages; and, Questions and Answers.
Weapons Engineering Directorate Overview
Abstract not provided.
Watch former Lab Director and Manhattan Project Veteran Harold Agnew’s 1985 speech
From the first nuclear reactor to the weapon development to the bomb delivery in war, Harold Agnew was there. The only two atomic bombs to ever be used in combat – Little Boy, a uranium gun-type weapon, and Fat Man, a plutonium implosion weapon – were released above Japan 75 years ago on Aug. 6 and Aug. 9, respectively. World War II ended not long after. And, according to The New York Times, Agnew was the only person to witness the whole undertaking, from reactor to Hiroshima: Years earlier, on a frigid December day in 1942 in Chicago, a 21-year-old Agnew was one of a few dozen gathered to see atoms split in two. Not long after, Agnew came to Los Alamos as a graduate student to work on the development the atomic bomb. Then, on Aug. 6, 1945, Agnew was a part of the delivery of Little Boy; he flew as a scientific member on the mission to Hiroshima to film the mushroom cloud and measure the shockwave. It is the only existing footage of the Hiroshima bombing from the air; other footage was taken, but was most likely not handled properly and was unusable, according to Agnew.
Lab’s longest-serving director took the helm 75 years ago Norris Bradbury credited with saving the Lab, town from post-war decline
Abstract not provided.
Picking an Open Source License at LLNL: Guidance and Recommendations from the Computing Directorate
Science and innovation are at the core of LLNL’s mission, and open source software is a vehicle by which LLNL innovations reach the scientific community, the nation, and the world. It also serves as a vehicle for building collaborations, publicizing our capabilities, and attracting new employees. Over half of the software produced by LLNL is open source, and open source licenses are the legal tools that allow our software to be used widely. Choosing an appropriate license can be difficult, but it can be even more difficult to change licenses after your software has amassed a significant number of contributors, so it is important understand the potentially subtle implications of your license choice. This document provides a set of recommendations for the busy and uninitiated. They are not set in stone (there are always exceptions). Our goal is to provide default choices that align best with LLNL’s mission, along with a high-level rationale.
Weapons Production Directorate Overview
Detonator Production and Prototype Fabrication divisions serve a variety of organizations throughout the Laboratory and the nation by providing key non-nuclear components through excellence in on-site engineering, design, manufacturing, machining, and more.
The Associate Laboratory Directorate of Weapons Production (ALDWP) Welcome & Overview [Slides]
We ensure nuclear weapon safety, security, and reliability. To date, Los Alamos has designed and certified 46 of the 63 nuclear weapon systems put into the U.S. Stockpile.
ALDW-23-0007U, Weapons Engineering Directorate (ALDW) Overview [Slides]
Abstract not provided.
Accelerator Directorate Robotics Initiative
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Associate Directorate for Infrastructure and Capital Projects Project: Management CO-OP Program [Slides]
Our Mission: To solve national security challenges through simultaneous excellence; Our Vision: To be trusted by our nation, emulated by our peers, and respected by the world; Our Culture: How we do work is as important as what we do; Our Values: service, integrity, teamwork, and excellence.
WDM-SP-25A: Development of a stopping power platform using secondary nuclear reactions in Warm Dense Matter (Director’s Post-Doc Shot Request) [Slides]
Motivation: Recent theoretical modeling at LANL has demonstrated that the ignition criteria is a strong function of the temperature of the DT ice that surrounds the hot spot [Daughton et al. PoP 2023]. Alpha heating of the DT shell can raise the ignition threshold. Critical to modeling the alpha-particle deposition in the shell is understanding charged particle stopping in warm dense matter.
Second Target Station Project: STS Cross-Directorate Workshop on Hydrogen Fuel
Hydrogen, particularly green hydrogen produced through electrolysis using renewable energy, is poised to play a critical role in decarbonizing the global economy. Its ability to address the intermittency of renewable energy sources and decarbonize hard-to-electrify sectors positions it as a vital component of a sustainable energy future. Interest in hydrogen as a clean energy carrier is in a decade of unprecedented growth, with dozens of countries having released national hydrogen strategies contributing to a global hydrogen economy. In 2021, the Department of Energy (DOE) announced the Hydrogen Shot, the first of the Energy Earthshot Initiatives, which aims to lower the cost of clean hydrogen to $\$$1/kg by 2031. This initiative was followed by a considerable increase in funding for hydrogen technologies through the Bipartisan Infrastructure Law (BIL), with $\$$18 billion recently announced for regional demonstration projects (Hydrogen Hubs) and another $\$$11.5 billion aimed at research and development of electrolyzers, fuel cells, manufacturing, and recycling. The 2023 U.S. National Clean Hydrogen Strategy and Roadmap identifies the cost of clean hydrogen as a critical challenge for achieving economic scale. This includes the cost of hydrogen production by electrolysis, delivery and dispensing, onboard storage, and end-use technologies like fuel cells. Fundamental research and development into catalysts, component architectures, and material durability are critical to lower the costs of these vital technologies aimed at achieving a net-zero carbon emission economy by 2050.
Artificial Intelligence for Mission: LANL’s Director’s Initiative LDRD on AI
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Opportunities at LLNL From postdoc to laser facility director: making your own path
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