News

Lab’s Tom Ramos reflects on ‘From Berkeley to Berlin’

Oct. 3, 2022 - 
Physicist Tom Ramos has had several roles for the past 40 years at Lawrence Livermore National Laboratory. He served as a member of the nuclear team that developed the X-ray laser for President Reagan’s Strategic Defense Initiative, he supported United States arms control negotiations for START, and over a span of seventeen years he created and ran a program for the Department of Defense...

It’s a metal, not a gas: flerovium chemical properties unveiled

Sept. 29, 2022 - 
It could be called better understanding through chemistry. An international research team including Lawrence Livermore National Laboratory (LLNL) scientists has succeeded in gaining new insights into the chemical properties of the superheavy element flerovium — element 114. The measurements, taken at the at the accelerator facilities of the GSI Helmholtzzentrum für Schwerionenforschung...

The people of stockpile stewardship are the key to LLNL’s success

Sept. 28, 2022 - 
The last nuclear test, code-named Divider, took place 30 years ago, on Sept. 23, 1992. That year, President Bush declared a temporary moratorium on nuclear testing, which became permanent during the Clinton administration. This ending of the era of nuclear testing was also the beginning of stockpile stewardship. Leaders from the Department of Energy (DOE), and Lawrence Livermore, Los...

Scientific discovery for stockpile stewardship

Sept. 27, 2022 - 
Scientific discovery during the Stockpile Stewardship Program maintains confidence in the nuclear deterrent without testing, brings other benefits The last nuclear test, code-named Divider, took place 30 years ago, on September 23, 1992. That year, President Bush declared a temporary moratorium on nuclear testing, which became permanent during the Clinton administration. This...

Developing technology to keep the nuclear stockpile safe, secure and reliable

Sept. 26, 2022 - 
The last nuclear test, code-named Divider, took place 30 years ago, on Sept. 23, 1992. That year, President Bush declared a temporary moratorium on nuclear testing, which became permanent in 1995, during the Clinton administration. This ending of the era of nuclear testing coincided with a Presidential announcement of the beginning of stockpile stewardship. As the decision to...

LLNL leads new DART Mission paper on inferring asteroid material properties from deflection test

Sept. 26, 2022 - 
Today at 4:14 p.m. (PDT), NASA’s Double Asteroid Redirection Test (DART) Mission will execute the first-ever asteroid-deflection test by crashing into asteroid Dimorphos. Traveling at ~6 km/s with a mass of ~600 kg, the DART spacecraft will transfer enough momentum for the imparted change in velocity to be detectable from Earth-based telescopes. However, there is significant...

San Joaquin ‘Expanding Your Horizons’ Conference returns in-person to celebrate 30 years

Sept. 23, 2022 - 
Registration is now open for the San Joaquin Expanding Your Horizons (SJEYH) Conference, celebrating its 30-year anniversary with the theme, “STEM: It’s Like Magic but Real.” The conference will be held on Saturday, Nov. 5, at the University of the Pacific in Stockton from 9 a.m. to 3 p.m. Check-in starts at 8:15 a.m. View the flyer. SJEYH is geared toward young women in grades 6-12 and...

Team identifies parent body materials in Ryugu asteroid

Sept. 22, 2022 - 
An international team including a researcher from Lawrence Livermore National Laboratory (LLNL) has determined that one specific particle on the asteroid Ryugu can shed light on the unaltered initial materials from its parent body. In December 2014, the Japanese Aerospace Exploration Agency launched the spacecraft Hayabusa2 to the asteroid 162173 Ryugu. In December 2020, the sample-return...

LLNL to cooperate with University of Utah's oneAPI Center of Excellence

Sept. 21, 2022 - 
The University of Utah has announced the creation of a new oneAPI Center of Excellence focused on developing portable, scalable and performant data compression techniques. The oneAPI Center will be headed out of the University of Utah’s Center for Extreme Data Management Analysis and Visualization (CEDMAV) and will involve the cooperation of Lawrence Livermore National Laboratory’s Ce...

LLNL's Raymond Baez Pares wins DOE award for emergency management contributions

Sept. 20, 2022 - 
Raymond Baez Pares, emergency management technical planning basis engineer within the Emergency Management Department’s Planning and Preparedness Division at Lawrence Livermore National Laboratory (LLNL), was selected ‘Contractor Member of the Year’ by the Department of Energy (DOE) Emergency Management Issues Special Interest Group (EMI SIG). The EMI SIG coordinates the exchange of...

LLNL-led paper reveals spacecraft geometry effects on impact simulations for NASA’s DART Mission

Sept. 20, 2022 - 
NASA’s Double Asteroid Redirection Test (DART) spacecraft will crash into asteroid Dimorphos on Sept. 26, executing the first asteroid deflection test that has been years in the planning. Dimorphos, at 150 meters across, is the “moonlet” of a binary asteroid system, orbiting the larger companion asteroid, Didymos (800 meters). The momentum of the ~600 kg spacecraft, traveling at ~6 km...

Steven Bohlen selected as senior director for LLNL’s Office of Government and External Affairs

Sept. 19, 2022 - 
Steven Bohlen has been named as the senior director for Lawrence Livermore National Laboratory’s Office of Government and External Affairs (OGEA), Director Kimberly Budil announced today. His appointment is effective Sept. 18. In this new role, Bohlen will partner with the Senior Management Team (SMT) to develop and manage strong and productive relationships between the Laboratory and...

Under pressure: solid matter takes on new behavior

Sept. 19, 2022 - 
Investigating how solid matter behaves at enormous pressures, such as those found in the deep interiors of giant planets, is a great experimental challenge. To help address that challenge, Lawrence Livermore National Laboratory (LLNL) researchers and collaborators took a deep dive in understanding these extreme pressures. The work was just published in Nature Physics with LLNL...

30 years later, Hunters Trophy participants recall LLNL’s final underground nuclear test

Sept. 19, 2022 - 
The year was 1992. At 10 a.m. on a balmy September morning in the desolate Nevada desert, a countdown began. And for a few brief moments, the ground violently shook. In a NASA-esque control room at the Nevada Test Site (NTS), Lawrence Livermore National Laboratory (LLNL) engineer Jack Cutting watched as monitors and oscilloscopes began sending back data collected on the blast, the result...

Livermore astronaut mural encourages people to ‘Dream Big’

Sept. 16, 2022 - 
At the age of 10, Larry Lagin already knew he wanted to become a scientist — his inspiration was NASA’s space program. “It was the space program that really got me involved and excited to go into science,” said Lagin, former deputy project manager for the National Ignition Facility (NIF), the world’s largest and most energetic laser. “It was something that really inspired me.” He even...

Johnny Foster at 100

Sept. 15, 2022 - 
The Laboratory’s Johnny Foster: nuclear weapon designer and team leader, former Laboratory director, former director of Defense Research and Engineering at the Department of Defense and record-setting ski jumper, turns 100 years old this week. As he does so, Lawrence Livermore National Laboratory celebrates a century of his extraordinary life and accomplishments. “In my view, Johnny is...

Lab directors discuss LLNL’s past, present and future at ‘historic conversation’

Sept. 14, 2022 - 
On a historic occasion in the Livermore wine country, the nine living Lawrence Livermore National Laboratory (LLNL) directors gathered on Sept. 8 to mark the Laboratory’s 70th anniversary, share stories and discuss their vision for the Lab in the coming years. Hosted by the nonprofit Livermore Lab Foundation, the panel brought past directors John Foster Jr., John Nuckolls, Bruce Tarter...

National security community honors Miriam John as 2022 Foster Medal recipient

Sept. 13, 2022 - 
Department of Energy (DOE) Under Secretary for Nuclear Security Jill Hruby joined fellow luminaries in the national nuclear security community at Lawrence Livermore National Laboratory (LLNL) on Sept. 8 to honor Miriam “Mim” John, recipient of the 2022 John S. Foster, Jr. Medal. John, vice president emerita of Sandia National Laboratories, became the first woman awarded the prestigious...

LLNL’s new diffraction gratings will enable the world’s most powerful laser

Sept. 12, 2022 - 
Lawrence Livermore National Laboratory (LLNL) researchers and their collaborators have developed new high-energy pulse compression gratings that will be used in the world’s highest-power laser system, designed to deliver up to 10 petawatts (quadrillion watts) of peak power. A petawatt is about 1,000 times the capacity of the entire U.S. electric grid. The high-energy, low-dispersion (HELD)...

Lab scientist wins outstanding doctoral thesis award from American Physical Society

Sept. 9, 2022 - 
Lawrence Livermore National Laboratory (LLNL) scientist Alison Ruth Christopherson has earned the American Physical Society’s (APS) Marshall N. Rosenbluth Outstanding Doctoral Thesis award. The award recognizes exceptional early-career scientists who have performed original thesis work of outstanding scientific quality and achievement in the area of plasma physics. Christopher...