Planetary defense researchers at Lawrence Livermore National Laboratory (LLNL) continue to validate their ability to accurately simulate how they might deflect an Earth-bound asteroid in a study that will be published in ...
Space Exploration
Mar 27, 2020
21
2197
As nuclear explosions go, the US "Cactus" bomb test in May 1958 was relatively small—but it has left a lasting legacy for the Marshall Islands in a dome-shaped radioactive dump.
Environment
May 26, 2019
21
3390
Arindam Banerjee, an associate professor of mechanical engineering and mechanics at Lehigh University, studies the dynamics of materials in extreme environments. He and his team have built several devices to effectively investigate ...
Soft Matter
May 8, 2019
1
68
The effort to secure a stable, domestic source of a critical medical isotope reached an important milestone this month as the U.S. Department of Energy's (DOE) Argonne National Laboratory demonstrated the production, separation ...
General Physics
Jun 15, 2015
0
39
The Radiochemical Analysis of Gaseous Samples (RAGS) is a true trash to treasure story, turning debris from the National Ignition Facility's (NIF) target chamber into valuable data that helps to shape future experiments.
General Physics
Sep 26, 2014
0
0
For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen gas started ...
Astronomy
Sep 2, 2013
23
0
During the Cold War, U.S. and international monitoring agencies could spot nuclear tests and focused on measuring their sizes. Today, they're looking around the globe to pinpoint much smaller explosives tests.
Earth Sciences
Aug 22, 2013
0
0
A team of nanomaterials researchers at Sandia National Laboratories has developed a new technique for radiation detection that could make radiation detection in cargo and baggage more effective and less costly for homeland ...
Nanophysics
Jun 29, 2012
0
0
U.S. researchers are perfecting simulations that show a nuclear weapon's performance in precise molecular detail, tools that are becoming critical for national defense because international treaties forbid the detonation ...
Computer Sciences
Jun 5, 2012
10
0
(PhysOrg.com) -- Conventional scientific wisdom says that the interatomic forces between ions that control high-temperature processes such as melting are insensitive to the heating of the electron "glue" that binds the ions ...
General Physics
Jan 27, 2012
0
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