Uranium's use in nuclear weapons is, understandably, the source of the widespread phobia felt by most for uranium. However, it is only weakly radioactive — the half-life of 238 U is 4.468 × 10 ...

Low Enriched Uranium (LEU) is the basic material to fabricate nuclear fuel. It consists of uranium hexafluoride that is a white-grey, waxy solid at standard temperature and pressure. LEU is made by ...