Nuclear and 'Dirty' Bombs

The real news is out of the mouth of President Obama. The summit of leaders from 40 countries around the world that This dangerous terrorist group Al Qaeda has nuclear weapons ready to fire at any time if desired. The world is currently faced with a formidable weapon as well. With nuclear weapons, there is a dirty bomb. This means that a blast with explosives mixed with radioactive materials. Not only does it when the blast damage is there. But it is also a nuclear radiation into the atmosphere. And toxic in large radius. If it explodes in a large public space each. Its impact will be like a disaster in the Chernobyl nuclear plant explosion in 1986 that resulted in the area who died of radiation poisoning or cancer. Fortunately, a group of terrorists is to use a radioactive dirty bomb is needed. Must have knowledge of equipment and skills needed to create one. But I do not trust these agents because of the explosion and remained from the former Soviet Union. And now it has gone on to appear in the black market.