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What if dark matter is lighter? Report calls for small experiments to broaden the hunt

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Theorized dark matter particles haven't yet shown up where scientists had expected them. So Berkeley Lab researchers are now designing new and nimble experiments that can look for dark matter in previously unexplored ranges of particle mass and energy, and using previously untested methods.

Berkeley Lab technology provides clarity amid Hawaiian water contamination concerns

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

For years, routine testing has shown that watersheds of the Mahaulepu Valley and Waikomo Stream in southeast Kauai frequently contain high counts of potentially pathogenic fecal indicator bacteria (FIB). To better understand the cause of the high FIB counts, the DOH commissioned a study by Berkeley Lab microbial ecologists Gary Andersen and Eric Dubinsky.

Funder: Hawaii Department of Health

Separation anxiety no more: A faster technique to purify elements

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Researchers at Lawrence Berkeley National Laboratory have developed a new chemical separation method that is vastly more efficient than conventional processes, opening the door to faster discovery of new elements, easier nuclear fuel reprocessing, and, most tantalizing, a better way to attain actinium-225, a promising therapeutic isotope for cancer treatment.

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

Researchers get most comprehensive view yet of lithium-ion battery electrode damage

DOE/SLAC National Accelerator Laboratory

A multi-institute team of researchers has developed the most comprehensive view yet of how repeated charging damages lithium-ion battery electrodes. Manufacturers could potentially use this information to design more reliable and longer-lasting batteries for smartphones and cars, the researchers say.

To pump or not to pump: New tool will help water managers make smarter decisions

DOE/Lawrence Berkeley National Laboratory

The overpumping of groundwater in California has led to near environmental catastrophe in some areas -- land is sinking, seawater is intruding, and groundwater storage capacity has shrunk. But researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) believe machine learning could be part of the solution to restoring groundwater to sustainable levels and quality.

SLAC fires up electron gun for LCLS-II X-ray laser upgrade

DOE/SLAC National Accelerator Laboratory

Crews at the Department of Energy's SLAC National Accelerator Laboratory have powered up a new electron gun, a key component of the lab's upgrade of its Linac Coherent Light Source (LCLS) X-ray laser, and last night it fired its first electrons.

A day in the life of a synchrotron duty operator

DOE/SLAC National Accelerator Laboratory

X-ray work can be grueling. As a duty operator at the Stanford Synchrotron Radiation Lightsource (SSRL), Sarah Edwards works 12-hour shifts starting at either 6 a.m. or 6 p.m.

Radiation damage lowers melting point of potential fusion reactor material

DOE/SLAC National Accelerator Laboratory

SLAC's 'electron camera' films rapidly melting tungsten and reveals atomic-level material behavior that could impact the design of future reactors.

Science Snapshots -- May 2019

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Researchers at Berkeley Lab's Molecular Foundry have predicted fascinating new properties of lithium; a powerful combination of experiment and theory has revealed atomic-level details about how silver helps transform carbon dioxide gas into a reusable form; new study reports the first comprehensive, highly coordinated effort to examine the global diversity and biogeography of activated sludge microbiome.

A new collider concept would take quantum theories to an extreme

DOE/SLAC National Accelerator Laboratory

A new idea for smashing beams of elementary particles into one another could reveal how light and matter interact under extreme conditions that may exist on the surfaces of exotic astrophysical objects, in powerful cosmic light bursts and star explosions, in next-generation particle colliders and in hot, dense fusion plasma.

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