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Solving a long-standing mystery about the desert's rock art canvas

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Petroglyphs are carved in a material called rock varnish, the origins of which have been debated for years. Now, scientists argue it's the result of bacteria and an adaptation that protects them from the desert sun's harsh rays.

Journal: Proceedings of the National Academy of Sciences

This crystal impurity is sheer perfection

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Scientists at Berkeley Lab and UC Berkeley have developed a nanoparticle composite that grows into 3D crystals. The new 3D-grown material could speed up production and eliminate errors in the mass manufacturing of nanoscale photonics for smart buildings or actuators for robotics.

Journal: Nature Communications

How to make lithium-ion batteries invincible

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Berkeley Lab scientists have made significant progress in developing battery cathodes using a new class of materials that provide batteries with the same if not higher energy density than conventional lithium-ion batteries but can be made of inexpensive and abundant metals. Known as DRX, which stands for disordered rocksalts with excess lithium, this novel family of materials was invented less than 10 years ago and allows cathodes to be made without nickel or cobalt.

Journal: Nature Energy
Funder: DOE/US Department of Energy

Project Jupyter: A computer code that transformed science

DOE/Lawrence Berkeley National Laboratory

A computer code (Project Jupyter) co-developed by Berkeley Lab's Fernando Perez and embraced by the global science community over two decades has been hailed by Nature Magazine as one of "ten computer codes that transformed science."

Scientists discover how oxygen loss saps a lithium-ion battery's voltage

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

SLAC and Stanford scientists took a unique and detailed nanoscale look at how oxygen seeps out of lithium-ion battery electrodes, sapping their energy over time. The results could suggest a fix.

Journal: Nature Energy
Funder: US Department of Energy Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Office

Study of harvey flooding aids in quantifying climate change

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Researchers from Lawrence Berkeley National Laboratory and Fathom Bristol used a hydraulic model to consider the degree to which human-caused climate change may have affected flooding in Houston in 2017 during Hurricane Harvey. Resources at the National Energy Research Scientific Computing Center were used to quantify the increase in Houston flood area and depth and to host a portal where other scientists and the public can access and explore the resulting data.

Journal: Climatic Change

Key to Cleaner Combustion? Look to the Stars

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

In a decade-long quest, scientists at Berkeley Lab, the University of Hawaii, and Florida International University uncover new clues to the origins of the universe - and land new chemistry for cleaner combustion engines.

Journal: Science Advances

CIGAR 'smokes out' attacks on solar electrical power equipment

DOE/Lawrence Berkeley National Laboratory

While the need for security in the power grid is clear, cybersecurity has typically been "bolted on" after the fact rather than designed in from the outset. Enter the Cybersecurity via Inverter-Grid Automatic Reconfiguration (CIGAR) project, designed to provide security protections for emerging power systems.

Are heavy metals toxic? Scientists find surprising new clues in yeast

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Scientists at Berkeley Lab and UC Berkeley have compiled the most complete library yet of lanthanide heavy metals and their potential toxicity -- by exposing baker's yeast to lanthanides. Their findings could help researchers uncover hidden pathways between lanthanide metals and disease.

Journal: Proceedings of the National Academy of Sciences

SLAC's Panofsky fellows talk about what makes their research so exciting

DOE/SLAC National Accelerator Laboratory

Among the many scientists who push the frontiers of knowledge at the Department of Energy's SLAC National Accelerator Laboratory, the Panofsky fellows stand out.

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