Iran enriches five kilos of uranium

Iranian nuclear chief Ali Akbar Salehi said Wednesday that his country has enriched five kilos of uranium to the 20% level. While this might not seem significant, the technological battle in enriching uranium is in getting from the (low) 3.5% level to the 20% level. The technology for getting from 20% to 90% (bomb level) is not difficult. In February, Iran announced that it had enriched a few