Like uranium 235, element 94 would be an incredibly ... achieved a controlled and sustained nuclear fission chain reaction. During the last months of the war, a small group of scientists working ...

The heat-generating chain reaction inside a nuclear power station takes place under highly controlled conditions within the reactor core. Uranium-235 atoms can spontaneously break-apart (fission) ...

Heavy water can help keep such a chain reaction ... destructive nuclear explosions. It either must be enriched—made more concentrated in a rare form of uranium (U-235)—or converted into ...

When was the first nuclear ... uranium is refined into higher concentrations of specific isotopes, a more powerful reaction is possible with less fuel. There are three isotopes of uranium: U-238 ...

The Hunters Point Naval Shipyard, a former base for atomic bomb testing, has lead to a cluster of health issues.

In 1942, the Manhattan Project needed to create a chain reaction ... and uranium, arranging the blocks in 57 layers of precise positions, and fitting holes for cadmium control rods. They finished on ...

HALEU is enriched between 5 and 19.75 percent with uranium-235—the main fissile isotope that produces energy during a chain ...

Uranium has several isotopes, with uranium-235 being the most critical for nuclear energy due to its ability to sustain a chain reaction. According to the International Atomic Energy Agency (IAEA ...

North Korean for the first time appears to have disclosed details about a suspected, but unconfirmed, second uranium ...

While it’s considered clean energy for producing little carbon emissions, extracting the source — uranium — doesn ... what’s known as a chain reaction. Nuclear fusion occurs when two ...

While traditional sources of fuel spark environmentalists’ concerns about climate change and the impact on the environment, politicians around the world are focused on investigating alternative ...

Natural uranium ... experimental nuclear reactor called Chicago Pile 1, built under a tennis court at the University of Chicago in the United Sates. Pile 1 first went critical on 2nd December 1942 ...