Now, plutonium, 10 to 13 pounds this. This is enough plutonium to create a Nagasaki size atomic weapon.

This is plutonium containing less than 80 per cent plutonium 238, highly enriched uranium (HEU) and uranium 233.

Since plutonium 238, plutonium 240 and plutonium 242 are fertile, accumulation of these and other nonfissile isotopes is less of a problem than in thermal reactors, which cannot burn them efficiently.

That you'd need 10 to 13 pounds of plutonium.

Plutonium(III) chloride is the chemical compound with the formula PuCl3.

Use of plutonium fuels also increases the risk of nuclear weapons proliferation.

Ten reactors that had produced weapons grade plutonium have been shut down.

The hard part is obtaining the fissionable materials plutonium or highly enriched uranium.

During the Cold War, the project expanded to include nine nuclear reactors and five large plutonium processing complexes, which produced plutonium for most of the more than 60,000 weapons in the U.S. nuclear arsenal.

A drawback is that gallium compounds are corrosive and so if the plutonium is recovered from dismantled weapons for conversion to plutonium dioxide for power reactors, there is the difficulty of removing the gallium.

In order to produce plutonium the Israelis needed a large supply of uranium ore.

He said, It's easier to denature plutonium than to denature the evil spirit of man.

The Chernobyl disaster contaminated the Belarusian territory with long lived caesium, strontium and plutonium radionuclides.

Chemical compounds including such material and plutonium in spent fuel elements also belong to this category.

A very important case is the PUREX process (plutonium uranium extraction process) which is used to separate the plutonium and the uranium from the spent fuel products from a nuclear reactor, and to be able to dispose of the waste products.

And in 2004, the IAEA blew the whistle on South Korea s non safeguarded plutonium and enrichment experiments.

Due to the radioactivity of plutonium, all of its compounds, PuCl3 included, are warm to the touch.

And the Soviet Union followed with a research reactor from which Libyan scientists extracted small amounts of plutonium.

This is the first time that the plutonium rich carbide fuel has been reprocessed anywhere in the world.

Specific concern was expressed about both the environmental and proliferation risks of plutonium reprocessing and nuclear materials shipments.

Now you might want to look at plutonium as another fissionable material that you might use in a bomb.

The energy derived from splitting uranium and plutonium atoms was originally used for the ultimate weapon, the atomic bomb.

So, Iran, it seems, will be able to advance its plutonium program during the six month confidence building period.

12. Supports continued efforts by the United States of America and the Russian Federation to implement the 1997 Agreement concerning Cooperation regarding Plutonium Production Reactors and the 2000 Agreement concerning the Management and Disposition of Plutonium Designated as No Longer Required for Defence Purposes and Related Cooperation

In World War II, from 1942 to 1945, Mulliken directed the Information Office for the University of Chicago's Plutonium project.

In addition, Israeli scientists probably helped construct the G 1 plutonium production reactor and UP 1 reprocessing plant at Marcoule.

Recycling proponents want ultimately to build a fleet of fast neutron reactors that could consume the plutonium and other fissionable material.

Boosting reduces the amount of plutonium needed in a weapon to below the quantity which would be vulnerable to this effect.

Because primaries tend to be bulky, especially in diameter, plutonium is the fissile material of choice for pits, with beryllium reflectors.

Plutonium produced at the remaining three reactors which generate heat and electricity has not been used for nuclear weapons since 1994.

Back then, North Korea was restarting its Yongbyon nuclear facility and producing plutonium, thus strengthening its bargaining position vis à vis the US.

In March 1996, the IAEA reported that North Korea was not complying with efforts to verify plutonium held at the Yongbyon nuclear facility.

The Rocky Flats plant near Boulder, Colorado, was built in 1952 for pit production and consequently became the plutonium and beryllium fabrication facility.

Pyongyang violated its obligations under the Nuclear Non Proliferation Treaty by secretly reprocessing enough plutonium to produce two nuclear weapons in the early 1990 s.

Iran has also offered to renounce plutonium extraction technology, thus ensuring that its heavy water reactor at Arak cannot be used to make bombs either.

Third, the States parties should improve control over proliferation of sensitive parts of the nuclear fuel cycle, specifically, activities involving uranium enrichment and plutonium separation.

After consultation with his staff, Bush responded that, absent a plutonium extraction facility, US intelligence could not confirm that the plant comprised a nuclear weapons program.

The one to actually be built was to be two to three times as large and be able to produce 22 kilograms of plutonium a year.

About 121 incidents were reported to the Agency in 2004, some of which involved weapons usable highly enriched uranium or plutonium being smuggled across national borders.

Plutonium manufactured at the site was used in the first nuclear bomb, tested at the Trinity site, and in Fat Man, the bomb detonated over Nagasaki, Japan.

There are many, many sites where warheads are stored and, in fact, lots of sites where fissionable materials, like highly enriched uranium and plutonium, are absolutely not safe.

Still, the plant along with its spent nuclear fuel, extracted plutonium, and nuclear reprocessing waste poses significant radiological hazards that a military strike could disperse into the environment.

Criticality In 1961, the Israeli Prime Minister David Ben Gurion informed the Canadian Prime Minister John Diefenbaker that a pilot plutonium separation plant would be built at Dimona.

Iridium was chosen to encapsulate the plutonium 238 fuel in the generator because it can withstand the operating temperatures of up to 2000 C and for its great strength.

The only practical way to capture most of the fusion energy is to trap the neutrons inside a massive bottle of heavy material such as lead, uranium, or plutonium.