The effort to resume hands-on work in support of stockpile modernization programs reached a major milestone May 7 with the successful execution of a focused experiment at the High Explosives Applications Facility (HEAF) at ...
General Physics
Jun 4, 2020
0
1
The predictive models that describe the fate and transport of radioactive materials in the atmosphere following a nuclear incident (explosion or reactor accident) assume that uranium-bearing particulates would attain chemical ...
Analytical Chemistry
May 5, 2020
0
63
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
The concept of nuclear winter—a years-long planetary freeze brought on by airborne soot generated by nuclear bombs—has been around for decades. But such speculations have been based largely on back-of-the-envelope calculations ...
Environment
Mar 16, 2020
19
1957
The White House's 2021 budget calls for US$28.9 billion for the Pentagon for nuclear weapons and a 20% increase to $19.8 billion for the National Nuclear Security Administration.
Environment
Feb 26, 2020
0
69
Homeland Security might soon have a new tool to add to its arsenal.
General Physics
Jan 15, 2020
0
1213
When it comes to car and truck engines, not much has changed since Nikolaus Otto invented the modern internal combustion engine in 1876. But the internal combustion engine could, at least theoretically, be in for a big change.
Plasma Physics
Dec 19, 2019
0
4
The plutonium core for the first atomic weapon detonated in 1945 was taken from Los Alamos National Laboratory to a test site in the New Mexico desert in the backseat of a U.S. Army sedan.
Environment
Oct 14, 2019
2
13
The US Department of Energy has moved to block its scientists from participating in China's controversial "Thousand Talents" program in order to protect US competitive strengths and national security.
Other
Jun 13, 2019
0
8
Medical isotopes are used daily around the world to visualize and diagnose cancer, heart disease and other serious ailments. However, the production of these lifesaving medical isotopes can emit gases that, while posing ...
General Physics
Jan 24, 2019
0
4
