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26-Feb-2018

First nanoscale look at how lithium ions navigate a molecular maze to reach battery electrode

DOE/SLAC National Accelerator Laboratory

Lithium ions have to travel through layers of molecules in the electrolyte liquid before they can enter or leave a lithium-ion battery electrode. Tweaking this process could help batteries charge faster.

22-Feb-2018

Imaging individual flexible DNA 'building blocks' in 3-D

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

A team of researchers from Lawrence Berkeley National Lab (Berkeley Lab) and Ohio State University have generated 3-D images from 129 individual molecules of flexible DNA origami particles. Their work provides the first experimental verification of the theoretical model of DNA origami.

Journal: Nature Communications

21-Feb-2018

Berkeley Lab 'minimalist machine learning' algorithms analyze images from very little data

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Berkeley Lab mathematicians have developed a new approach to machine learning aimed at experimental imaging data. Rather than relying on the tens or hundreds of thousands of images used by typical machine learning methods, this new approach 'learns' much more quickly and requires far fewer images.

Journal: Proceedings of the National Academy of Sciences

21-Feb-2018

In a first, tiny diamond anvils trigger chemical reactions by squeezing

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Scientists have turned the smallest possible bits of diamond and other super-hard specks into 'molecular anvils' that squeeze and twist molecules until chemical bonds break and atoms exchange electrons. These are the first such chemical reactions triggered by mechanical pressure alone, and researchers say the method offers a new way to do chemistry at the molecular level that is greener, more efficient and much more precise.

Journal: Nature

14-Feb-2018

Physics data processing at NERSC dramatically cuts reconstruction time

DOE/Lawrence Berkeley National Laboratory

In a recent demonstration project, physicists from Brookhaven National Laboratory and Lawrence Berkeley National Laboratory used the Cori supercomputer at the National Energy Research Scientific Computing Center to reconstruct data collected from a nuclear physics experiment, an advance that could dramatically reduce the time it takes to make detailed data available for scientific discoveries.

12-Feb-2018

45-year-old telescope gets a makeover to demystify dark energy

DOE/SLAC National Accelerator Laboratory

Forty-five years ago this month, a telescope tucked inside a 14-story, 500-ton dome atop a mile-high peak in Arizona took in the night sky for the first time and recorded its observations on glass photographic plates. Today, the dome closes on the previous science chapters of the 4-meter Nicholas U. Mayall Telescope and starts preparing for its new role in creating the largest 3-D map of the universe.

12-Feb-2018

Several Berkeley Lab scientists to present talks at 2018 AAAS Annual Meeting

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Several scientists from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) will present talks at the annual meeting of the American Association for the Advancement of Science, to be held Feb. 15 - 19 in Austin, Texas. Topics include a new model for science innovation, new ways to search for dark matter, and developments in advanced bioenergy.

Meeting: 2018 AAAS Annual Meeting

12-Feb-2018

Solving the dark energy mystery: A new assignment for a 45-year-old telescope

DOE/Lawrence Berkeley National Laboratory
Business Announcement

Today, the dome closes on the previous science chapters of the 4-meter Mayall Telescope in Arizona so that it can prepare for its new role in creating the largest 3-D map of the universe. This map could help to solve the mystery of dark energy, which is driving the accelerating expansion of the universe.

9-Feb-2018

Harker school wins second consecutive SLAC regional DOE Science Bowl

DOE/SLAC National Accelerator Laboratory

Twenty-four teams from 16 Bay Area high schools faced off Feb. 3 in the SLAC Regional DOE Science Bowl, a series of fast-paced question-and-answer matches that test knowledge in biology, chemistry, physics, earth and space sciences, energy and math. The competition is hosted annually by the Department of Energy's SLAC National Accelerator Laboratory.

6-Feb-2018

SLAC Celebrates legacy of theoretical physicist Sidney Drell

DOE/SLAC National Accelerator Laboratory

With a symposium on fundamental physics, the Department of Energy's SLAC National Accelerator Laboratory remembered one of its key figures: world-renowned theoretical physicist Sidney Drell, who passed away in December 2016. Nearly 200 guests attended the Jan. 12 event to celebrate Drell's numerous scientific contributions, which continue to have a tremendous impact on our understanding of the subatomic world.