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Standard model of the universe withstands most precise test by Dark Energy Survey

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Astrophysicists have a fairly accurate understanding of how the universe ages: that's the conclusion of new results from the Dark Energy Survey (DES), a large international science collaboration, including researchers from the Department of Energy's SLAC National Accelerator Laboratory, that put models of cosmic structure formation and evolution to the most precise test yet.

Meeting: American Physical Society Division of Particles and Fields Meeting

New simulations could help in hunt for massive mergers of neutron stars, black holes

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Scientists at Berkeley Lab have developed new computer models to explore what happens when a black hole joins with a neutron star - the superdense remnant of an exploded star.

Journal: Classical and Quantum Gravity

A semiconductor that can beat the heat

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

A newly discovered collective rattling effect in a type of crystalline semiconductor blocks most heat transfer while preserving high electrical conductivity - a rare pairing that scientists say could reduce heat buildup in electronic devices and turbine engines, among other possible applications.

Journal: Proceedings of the National Academy of Sciences
Funder: DOE/US Department of Energy

It's something in the water: LLNL scientists extract hydrogen as potential fuel source

DOE/Lawrence Livermore National Laboratory
Peer-Reviewed Publication

Lawrence Livermore scientists have developed a technique that helps extract hydrogen from water efficiently and cheaply.

Journal: Nature Energy

Scientists watch 'artificial atoms' assemble into perfect lattices with many uses

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Some of the world's tiniest crystals are known as 'artificial atoms' because they can organize themselves into structures that look like molecules, including 'superlattices' that are potential building blocks for novel materials. Now scientists from the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have made the first observation of these nanocrystals rapidly forming superlattices while they are themselves still growing.

Journal: Nature

New light-activated catalyst grabs CO2 to make ingredients for fuel

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Scientists at Berkeley Lab have developed a 'spongy,' light-activated material that converts carbon dioxide into carbon monoxide, which can be used to turn into liquid fuels and other useful products. This is done without generating unwanted by products, a significant step forward in developing technology that could help mitigate levels of a potent greenhouse gas while generating solar-powered fuel.

Journal: Science Advances
Funder: Department of Energy

Seeing more with PET scans: New chemistry for medical imaging

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Researchers have found a surprisingly versatile workaround to create chemical compounds that could prove useful for medical imaging and drug development.

Journal: Science

Atomic movies may help explain why perovskite solar cells are more efficient

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Experiments with a powerful 'electron camera' at the Department of Energy's SLAC National Accelerator Laboratory have discovered that light whirls atoms around in perovskites, potentially explaining the high efficiency of these next-generation solar cell materials and providing clues for making better ones.

Journal: Science Advances

Making polymer chemistry 'click'

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

A team including Berkeley Lab scientists has developed a faster and easier way to make a class of sulfur-containing plastics that will lower the cost of large-scale production.

Journal: Nature Chemistry

Construction of massive neutrino experiment kicks off a mile underground

DOE/SLAC National Accelerator Laboratory

A new era in international particle physics research officially began July 21 with a unique groundbreaking held a mile underground at the Sanford Underground Research Facility in South Dakota. Dignitaries, scientists and engineers from around the world marked the start of construction of a massive international experiment that could change our understanding of the universe. The Long-Baseline Neutrino Facility (LBNF) will house the international Deep Underground Neutrino Experiment (DUNE).