The team demonstrated that direct atomistic simulations can predict metal strength, revealing crystal defects and twinning mechanisms. This research provides a wealth of observations on fundamental mechanisms of dynamic response and quantitative parameters needed for strength models.
Lawrence Livermore scientists developed carbon nanotube pores that can exclude salt from seawater, exceeding water permeability of wider CNTs by an order of magnitude. The super smooth inner surface and tiny pore size enable efficient transport of water while blocking larger salt ions.
Research reveals that exposure to environmental levels of triclocarban can transfer from mother to offspring and interfere with lipid metabolism. This could have serious implications for human health, particularly in early life development.
Researchers successfully performed thermonuclear measurements of nuclear reaction cross-sections in extreme plasma conditions, replicating previous accelerator experiments. This achievement lays groundwork for studying phenomena in stellar interiors, such as plasma electron screening.
Lawrence Livermore National Laboratory scientists have developed a technique to efficiently extract hydrogen from water using electricity. The new catalysts enable high-performance water splitting with minimal catalyst loading, making it scalable and cost-effective.
A recent study found that climate change has led to a 20% loss in the annual maximum amount of water contained in the Western US's mountain snowpack over the last three decades. The researchers estimate that further losses of up to 60% could occur within the next 30 years, posing significant economic and societal impacts.
Researchers at Lawrence Livermore National Laboratory have developed an efficient hydrogen storage system that can increase the energy carrier's viability. By incorporating nanoconfinement and analyzing internal 'nano-interfaces,' the team found a new paradigm for hydrogen storage, enabling faster performance and reversibility.
A study analyzing marine sediment cores reveals East Greenland's ice sheet underwent deep glacial erosion over the past 7.5 million years, responding to global climate change. This finding challenges previous theories on complete and extended deglaciation, suggesting a more complex history of ice sheet dynamics.
Research reveals that the grounding line of Pine Island Glacier retreated from a prominent seafloor ridge by 1945, with final ungrounding occurring in 1970. The team's findings suggest that ice-sheet retreat continued even when climate forcing weakened.
Low-level clouds in the tropics cool the planet by reflecting solar radiation, but their impact on climate depends on spatial pattern. The study suggests that recent observed trends may underestimate global warming due to increased carbon dioxide.
Researchers at Lawrence Livermore National Laboratory developed a new technique to quantify force transmission through 3D granular materials. The findings suggest that forces move spatially through these materials in patterns consistent with theory and simulations.
Researchers studied magnesium chloride's high-pressure structural behavior and found it remained stable beyond 40 GPa, contradicting established structural systematics. The findings could improve confidence in predicting products and performance of detonated chemical formulations.
Lawrence Livermore National Laboratory scientists have created a breathable material that provides protection from biological agents due to its small pore size. The material also responds to chemical hazards with dynamic functional groups, mimicking the adaptive response of human skin.
Aurora Pribram-Jones, a researcher at Lawrence Livermore National Laboratory and postdoctoral fellow at UC Berkeley, has been awarded the Howes Scholar prize. She was recognized for her outstanding scientific achievements and leadership in advancing solid-state hydrogen storage through interdisciplinary research.
The project aims to further accelerate progress toward the SunShot goals through research and development of novel solar collectors using reflective surfaces to concentrate sunlight. Giant Leap Technologies will develop capillary optics to replace expensive mechanical sun trackers with low-cost digital-glass for solar thermal and photo...
Researchers found large-scale patterns of cloud change between the 1980s and 2000s, including poleward retreat of mid-latitude storm tracks and expansion of subtropical dry zones, consistent with climate model predictions.
A team of LLNL researchers developed a system using shaped charges to sever an offshore drilling rig from the seabed, solving a critical challenge after the Deepwater Horizon oil spill. Their experiment validated their model and provided insight into effective experimental design.
Researchers at Lawrence Livermore National Laboratory have created a reactor that can continuously produce methanol from methane at room temperature and pressure. The innovative 3D-printed polymer-based system retains high enzyme activity, enabling highly controlled reactions with greater flexibility and efficiency.
A team of scientists has identified the Sostdc1 gene as a key regulator of periosteum stem cells during fracture repair, which could lead to new therapeutic treatments for difficult-to-heal injuries. The study found that mutant mice lacking the gene had thicker, denser cortical bone that healed at an accelerated rate.
Recent studies have identified biomarkers associated with cartilage degradation and new genes linked to osteoarthritis (OA) development. Researchers used a non-invasive mouse model of post-traumatic osteoarthritis (PTOA) to analyze whole-joint gene expression, providing insights into the disease's progression.
Scientists at Lawrence Livermore National Laboratory found that 3D printed foams have superior long-term stability and performance compared to traditional foams. The team used accelerated aging experiments and imaging techniques to study the properties of both types of materials.
Researchers found that climate models are exaggerating cloud brightness as the planet warms, leading to underestimated global warming. Correcting this bias revealed a weaker cloud phase feedback and greater warming in response to carbon dioxide, contradicting current climate predictions.
Carbon nanotubes as small as eight-tenths of a nanometer in diameter can transport protons faster than bulk water. Researchers validated a 200-year-old mechanism by creating one-dimensional water wires that allow for enhanced proton conductivity.
Researchers at Lawrence Livermore National Laboratory have discovered that certain metal oxides increase the capacity and cycling performance of lithium-ion batteries. The team created graphene-metal oxide nanocomposites and found two of them greatly improved reversible lithium storage capacity.
Scientists at Lawrence Livermore National Laboratory have developed new gas signature models to aid in locating and identifying underground nuclear tests. The models use computer simulations and field experiments to track the evolution of gases from UNEs, potentially helping inspectors identify clandestine sites within a search area.
Researchers have resolved the dynamics of phase change in hexagonal diamond formation during meteor impacts. The team conducted in situ X-ray diffraction measurements of dynamic diamond formation on nanosecond timescales.
A new study finds that carbon emissions will have long-lasting impacts on the planet, with some effects lasting over 100,000 years. The researchers warn that reducing emissions slightly or significantly is not sufficient to prevent catastrophic consequences.
Scientists have found that global ocean warming has doubled in recent decades, with significant increases in upper ocean temperatures since the 1970s. The study indicates that half of the accumulated heat during the industrial era has occurred in recent decades, with about a third residing in the deeper oceans.
Researchers found that most climate models underestimate the increase in absorption of sunlight by water vapor, leading to overestimation of global precipitation. The team's study suggests that improving radiation representation in models can lead to more accurate predictions of future precipitation change.
Researchers found that a secreted bone protein called Sclerostin inhibits prostate cancer metastasis to bone. The study also showed that lack of SOST in the bone microenvironment promotes expression of genes associated with cell migration and invasion.
Lawrence Livermore National Laboratory scientists discovered that hydrogen-treated graphene nanofoam electrodes improve lithium ion battery performance by increasing capacity and facilitating easier lithium penetration. This breakthrough has real-world applications for electric vehicles and aerospace applications.
A new theory suggests that dark matter could be composed of electrically charged constituents that interact with ordinary matter in the early universe. This 'stealthy' dark matter would have been easy to detect at high temperatures but is now difficult to see due to its compositeness and confinement.
A new model of Earth's core formation suggests the magma ocean started out oxidized and became reduced over time through oxygen incorporation into the core. Higher oxygen concentrations were found in the core, contradicting previous estimates.
Researchers at Lawrence Livermore National Laboratory have discovered a way to create linear chains of carbon atoms, called carbyne, through laser-melting graphite. This material has potential applications in nanoelectronic devices and superhard materials, as well as tunable semiconductors and hydrogen storage.
Researchers aim to develop a non-destructive method to measure water content in solar PV cells using spectral imaging. The goal is to remove uncertainty on the modules' long-term reliability, crucial for making solar energy competitive with fossil fuels.
The team discovered a Jupiter-like planet, called 51 Eridani b, about twice the size of Jupiter and featuring the strongest methane signature ever detected on an alien planet. The discovery sheds light on how planets formed around our sun and could unlock secrets of gas giants' planetary systems.
Researchers at Lawrence Livermore National Laboratory have created a record high number of positrons using lasers, which could help study gamma-ray bursts and extreme astrophysical processes. The team used three laser systems to produce nearly a trillion positrons, opening opportunities for antimatter research.
Researchers created a method to determine source characteristics of near-earth surface explosions using seismic stations in Turkey. They found the Syrian tunnel bomb blast was likely around 40 tons, contradicting initial claims of 60 tons. The technique serves as a forensic tool for investigators and governmental agencies.
NuSTAR's observations confirm a highly asymmetric Supernova 1987A explosion, with X-ray emissions revealing explosive speeds of heavy elements. This study validates scientific assumptions about core collapse supernovae and challenges symmetrical explosion models.
Researchers from Lawrence Livermore National Laboratory have developed a new type of graphene aerogel using direct ink writing. The 3D printed aerogels exhibit high surface area, excellent electrical conductivity, and supercompressibility, making them suitable for applications such as energy storage and sensors.
Researchers found that root secretions can promote soil carbon loss by freeing organic compounds from protective associations with minerals. This mechanism is known as 'priming' and challenges the assumption that mineral-associated carbon is protected from microbial cycling over millennial timescales.
Researchers at Lawrence Livermore National Laboratory have identified changes in the structure and bonding of graphitic carbon electrodes that may improve the capacity and efficiency of electrical energy storage systems. The new X-ray adsorption spectroscopy capability provided key information on how the structure and bonding evolve du...
Researchers found that iron vaporizes at lower impact speeds than previously thought, leading to a shift in understanding of Earth's core formation process. This change affects estimates of the timing of Earth's core formation, with new information suggesting a more rapid process.
Researchers detected a nearly spherical stream of highly ionized gas streaming out of the quasar PDS 456, measuring the strength of ultra-fast black hole winds. The discovery reveals that these powerful winds can transfer energy back to their host galaxies and affect star formation.
Lawrence Livermore scientists have developed a new type of carbon capture media composed of core-shell microcapsules that react with and absorb CO2. The capsules use sodium carbonate, a household ingredient, to capture carbon dioxide from fossil fuel use in power generation and other industries.
Researchers found evidence of regional drought between 500 and 1150 AD in Mexico, contributing to the abandonment of Cantona, a large fortified city with a population of 90,000 inhabitants. The study suggests that climate change played a role in the site's history, highlighting the interplay of environmental and political factors.
Researchers use laser-driven compression to study extreme conditions inside planets, revealing properties of silica that determine planet formation and evolution. The findings suggest large rocky planets may have long-lived oceans at depth and could explain the existence of planets like Neptune and Uranus.
Recent small volcanic eruptions have been identified as a contributing factor to the recent 'warming hiatus', with scientists finding that they cool the atmosphere and reflect sunlight away from Earth. The new research complements earlier studies, which found that volcanoes may have caused cooling of up to 0.12 degrees Celsius since 2000.
Researchers capture highest-resolution protein snapshots with X-ray laser to track structural changes in photosynthetic bacteria upon light exposure. This breakthrough paves the way for studying biologically important molecules at ultrafast timescales.
Nanoporous metals with superior qualities have numerous applications due to their high surface area for electron transfer and increased sites for analyte adsorption. Lawrence Livermore National Laboratory researchers developed a cost-effective method to manufacture nanoporous metals over various scales, from nanoscale to macroscale.