The risk to workers might be greater than previously thought because melted fuel in the No. 1 reactor building may be causing isolated, uncontrolled nuclear chain reactions, Denis Flory, nuclear safety director for the UN’s International Atomic Energy Agency, said at a press conference in Vienna.
Nuclear experts call these reactions “localized criticality,” which will increase radiation and hamper the ability to shut down the plant. The reactions consist of a burst of heat, radiation and sometimes an “ethereal blue flash,” according to the U.S. Energy Department’s Los Alamos National Laboratory web site.
Uncontrolled nuclear chain reactions!
Just like an atomic bomb, only smaller!
And what could happen if the meltdown continues, and all the plutonium in Reactor #3 melts into a blob that’s bigger than critical mass?