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Quantum machine learning hits a limit

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

A new theorem from the field of quantum machine learning has poked a major hole in the accepted understanding about information scrambling.

Journal: Physical Review Letters

Simulating sneezes and coughs to show how COVID-19 spreads

DOE/Sandia National Laboratories
Peer-Reviewed Publication

Two groups of researchers at Sandia National Laboratories have published papers on the droplets of liquid sprayed by coughs or sneezes and how far they can travel under different conditions. Both teams used Sandia's decades of experience with advanced computer simulations studying how liquids and gases move for its nuclear stockpile stewardship mission.

Journal: Atomization and Sprays

Antarctica remains the wild card for sea-level rise estimates through 2100

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

A massive collaborative research project covered in the journal Nature this week offers projections to the year 2100 of future sea-level rise from all sources of land ice, offering the most complete projections created to date.

Journal: Nature

Prehistoric humans first traversed Australia by 'superhighways'

DOE/Sandia National Laboratories
Peer-Reviewed Publication

An international team of scientists using a Sandia National Laboratories supercomputer in the largest reconstruction ever attempted of prehistoric travel has mapped the probable "superhighways" that led to the first peopling of Australia.

Journal: Nature Human Behaviour

Using cosmic-ray neutron bursts to understand gamma-ray bursts from lightning

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

Analysis of data from a lightning mapper and a small, hand-held radiation detector has unexpectedly shed light on what a gamma-ray burst from lightning might look like - by observing neutrons generated from soil by very large cosmic-ray showers.

Journal: Geophysical Research Letters

Legendary licenses

DOE/Sandia National Laboratories
Grant and Award Announcement

Licensing expert Bob Westervelt, who has worked to transfer Sandia National Laboratories technologies in the medical, solar and hydrogen production fields, received the 2021 Outstanding Technology Transfer Professional Award from the Federal Laboratory Consortium.

Machine learning model generates realistic seismic waveforms

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

A new machine-learning model that generates realistic seismic waveforms will reduce manual labor and improve earthquake detection, according to a study published recently in JGR Solid Earth.

Here comes the sun: Tethered-balloon tests ensure safety of new solar-power technology

DOE/Sandia National Laboratories
Grant and Award Announcement

Researchers from Sandia National Laboratories recently used 22-foot-wide tethered balloons to collect samples of airborne dust particles to ensure the safety of an emerging solar-power technology. The study determined that the dust created by the new technology is far below hazardous levels, said Cliff Ho, the lead researcher on the project. Ho's team just received $25 million from the Department of Energy to build a pilot plant that will incorporate this technology.

Funder: The Department of Energy Solar Energy Technologies Office

Ultra-high-energy gamma rays originate from pulsar nebulae

DOE/Los Alamos National Laboratory

The discovery that the nebulae surrounding the most powerful pulsars are pumping out ultra-high-energy gamma rays could rewrite the book about the rays' galactic origins. Pulsars are rapidly rotating, highly magnetized collapsed stars surrounded by nebulae powered by winds generated inside the pulsars.

Cerreta named president of nation's professional society

DOE/Los Alamos National Laboratory

Ellen Cerreta, the Los Alamos National Laboratory's division leader for Materials Science and Technology, has been named president of The Minerals, Metals, & Materials Society (TMS), a professional society for scientists and engineers in those fields.

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