Posts tagged with "Science"

INCITE

Lab researchers awarded time on top computers to advance science

Dec. 1, 2014 -  
As part of the Department of Energy’s Innovative and Novel Computational Impact on Theory and Experiment (INCITE) program, eight Lawrence Livermore National Laboratory (LLNL) researchers have been awarded nearly 800 million core hours on two of America’s fastest supercomputers dedicated to open...
Tiziana Bond

Lawrence Livermore researchers develop efficient method to produce nanoporous metals

Nov. 25, 2014 -  
LIVERMORE, California — Nanoporous metals — foam-like materials that have some degree of air vacuum in their structure — have a wide range of applications because of their superior qualities. They posses a high surface area for better electron transfer, which can lead to the improved performance of...
sequoia

Lawrence Livermore tops Graph 500

Nov. 19, 2014 -  
New Orleans, Louisiana. Nov. 18, 2014 -- Lawrence Livermore National Laboratory scientists’ search for new ways to solve large complex national security problems led to the top ranking on Graph 500 and new techniques for solving large graph problems on small high performance computing (HPC) systems...
G2

Black hole loses its appetite for gassy cloud

Nov. 18, 2014 -  
In a showdown of black hole versus G2 – a cloud of gas and dust – it looks like G2 won. Recent research shows that G2 came within 30 billion kilometers of the super-massive black hole at the center of our galaxy, yet managed to escape from the gravitational pull of the black hole. Initially, a...
residual stress

Researchers develop efficient method to measure residual stress in 3D printed parts

Nov. 17, 2014 -  
LIVERMORE, California – Lawrence Livermore National Laboratory researchers have developed an efficient method to measure residual stress in metal parts produced by powder-bed fusion additive manufacturing. This 3D printing process produces metal parts layer by layer using a high-energy laser beam...
Sierra

Next-generation supercomputer coming to Lab

Nov. 14, 2014 -  
Livermore, California -- Lawrence Livermore National Laboratory (LLNL) today announced a contract with IBM to deliver a next-generation supercomputer in 2017. The system, to be called Sierra, will serve the National Nuclear Security Administration’s (NNSA) Advanced Simulation and Computing (ASC)...
Meting Pathways

Shifts in states of matter: It’s complicated

Nov. 7, 2014 -  
The process of phase changes -- those transitions between states of matter -- is more complex than previously thought. A team of Lawrence Livermore researchers and colleagues has found that we may need to rethink one of science’s building blocks and illustrate how a proper theoretical description...
NIF

Vital NIF diagnostic receives upgrade

Nov. 6, 2014 -  
When the National Ignition Facility’s 192 intense laser beams are fired, a series of complex events begins. To capture and measure the vast amount of data generated during experiments, NIF is now equipped with about 60 nuclear, optical and X-ray diagnostics. One of these diagnostics, the Near...
xenon

Where did all the xenon go?

Nov. 6, 2014 -  
The noble gas xenon should be found in terrestrial and Martian atmospheres, but researchers have had a hard time finding it. The prevailing theory claims that due to xenon’s weight -- it is a heavy gas -- it could be trapped in a planet’s core or in the mantle during the planet’s formation...
carbon nanotubes

Tiny carbon nanotube pores make big impact

Oct. 30, 2014 -  
A team led by the Lawrence Livermore scientists has created a new kind of ion channel consisting of short carbon nanotubes, which can be inserted into synthetic bilayers and live cell membranes to form tiny pores that transport water, protons, small ions and DNA. These carbon nanotube "porins" have...