One of the most daunting scientific and engineering challenges today is ensuring the safety and reliability of the nation's nuclear arsenal. To effectively meet that challenge, scientists need better ...

Gathered in a control room deep in the Nevada desert, a team of researchers from Lawrence Livermore and Los Alamos national laboratories watched safety monitors as a carefully layered stack of ...

SEOUL, Sept. 10 -- The South Korean government acknowledged Thursday that it extracted a small amount of plutonium during a 1982 research experiment, a declaration that came a week after the country ...

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 ...

The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both ...

In a maze of tunnels 900 feet beneath the Nevada desert, US nuclear weapons scientists have since the 1990s been intermittently agitating flecks of plutonium with chemical high explosives, carefully ...

2005-06-16 04:00:00 PDT Vienna-- Iran has admitted that it conducted small-scale experiments to create plutonium, one of the pathways to building nuclear weapons, for five years beyond the date when ...