It is so dense a small 10-centimetre cube would weigh 20 kilograms. The International Atomic Energy Agency (IAEA) defines uranium as a Low Specific Activity material. In its natural state, it consists ...

By the very end of the war, the Germans had progressed from horizontal and spherical layer designs to three-dimensional lattices of uranium cubes immersed in heavy water. They had also developed a ...

The stock of uranium refined to up to 60% in the form of uranium hexafluoride grew by 92.5 kg in the past quarter to 274.8 kg, one of two confidential IAEA reports said. An Iranian missile is ...