Posts tagged with "Weapons"

HEAF

Uncovering secret structure to safer explosives

Oct. 17, 2018 -  
A team of scientists at Lawrence Livermore National Laboratory ( LLNL ) has shown that the structure of microscopic pores in high explosive materials can significantly impact performance and safety. These findings -- published recently as the cover article in the journal Propellants, Explosives,...
mclean

Energy Secretary honors Lab scientist’s contributions to stockpile stewardship

Aug. 30, 2018 -  
Secretary of Energy Rick Perry recognized Lawrence Livermore National Laboratory ( LLNL ) chemist Bill McLean with a Secretary’s Achievment Award Wednesday in recognition of “pioneering technical contributions that have led to significant advancements in science-based stockpile stewardship .” The...
HEAF

Warhead life extension passes key milestone

June 28, 2018 -  
The program to extend the life of the W80 nuclear warhead recently achieved a significant milestone when the National Nuclear Security Administration ( NNSA ) gave passing grades to the plans to refurbish certain components and the proposed approach to developing component cost estimates. Passing...
For article LLNL scientist named ASME fellow

LLNL scientist named ASME fellow

May 16, 2018 -  
Fady Najjar, a design physicist at Lawrence Livermore National Laboratory ( LLNL ), has been elected a fellow of the American Society of Mechanical Engineers ( ASME ). Najjar was recognized for “significant contributions and innovations in computational techniques for fluid flows, for advances in...
For article Concussion study may ‘change the game’

Concussion study may ‘change the game’

Jan. 19, 2018 -  
Researchers have identified evidence of early chronic traumatic encephalopathy (CTE) brain pathology after head impact -- even in the absence of signs of concussion. Early indicators of CTE pathology not only persisted long after injury but also spread through the brain, providing the best evidence...
film preservation

LLNL releases newly declassified test videos

Dec. 14, 2017 -  
Researchers at Lawrence Livermore National Laboratory ( LLNL ) released 62 newly declassified videos today of atmospheric nuclear tests films that have never before been seen by the public. The videos are the second batch of scientific test films to be published on the LLNL YouTube channel this...
reis

Lawrence Livermore to honor the architect of science-based stockpile stewardship

Oct. 25, 2017 -  
Victor Reis faced an audacious challenge when he accepted the appointment as assistant secretary of Defense Programs in the Department of Energy in 1993. One year prior, President George H.W. Bush agreed to end nuclear testing. Gone were the days of Lawrence Livermore and Los Alamos national...
nts

25 years after the last U.S. nuclear test

Sept. 18, 2017 -  
A blend of beautiful blue and green hues jump off the computer screen of L awrence Livermore National Laboratory physicist Todd Hoover. The visualization is a simulation of an underground nuclear test that took place 25 years ago this day. Hoover was a test coordinator on the experiment, code-named...
vessel

Plutonium research to advance stockpile safely

Aug. 29, 2017 -  
Conducting an experiment that combines high explosives with plutonium -- a special nuclear material used in nuclear weapons -- is no trivial matter. Not only do researchers need to ensure the plutonium remains “subcritical” to avoid a nuclear explosion, they must be absolutely certain that these...
missile

LLNL supports ICBM flight tests

June 5, 2017 -  
As an unarmed Minuteman III intercontinental ballistic missile (ICBM) rocketed into the night sky, a team of Lawrence Livermore National Laboratory (LLNL) researchers listened intently to radio chatter and watched flight data stream in from a control room at the Ronald Reagan Ballistic Missile...