--WHAT IS A "DIRTY BOMB"?
It's a lot less than you might think. In a genuine nuclear bomb, enriched uranium or plutonium is explosively compressed, fracturing atomic bonds and releasing a cataclysmic blast of intense radiation. A dirty bomb is little more than a pipe bomb with radioactive rubbish packed into it.
--DO THE BOMBS WORK?
Not really, at least not in the way most people think. Because a limited amount of low-level radiation is dispersed over a wide area, a fatal dose is very difficult to deliver. Virtually all the fatalities would be caused by the explosion--tragic enough but nothing...