The dispute over uranium enrichment is the flashpoint in U.S.-Iran talks, with Tehran refusing to scale back and Washington warning of weaponization.

All uranium isotopes are radioactive, but one particular isotope called Uranium-235 (U-235) is critical for providing nuclear energy and in nuclear weapons. The military has applications for U-235 ...

The enrichment centrifuge is a device used to extract uranium-235 isotope from a sample of natural uranium. U-235 is fissile and thus useful to generate nuclear power and to build nuclear weapons.

uranium-235 (U-235), accounts for 0.7%. Both U-238 and U-235 are radioactive, which means they decay and emit radiation in the process. U-238 decays very slowly or is barely radioactive ...

The editor of the Oxford his was worried about the low estate into which rowing had fallen in the University. Wrote he last week: “There is no eight of outstanding merit. As long as the number ...