Al Jazeera spoke with MIT professor Ted Postol about what Iran could do with its 440kg of 60 percent enriched uranium.

Energy is released inside nuclear power plants through a controlled process that produces heat, which is then used to generate electricity ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled as a gas or liquid during processing) to build a gun-type nuclear bomb. It ...