The story of the operators, firefighters, evacuees, and survivors caught in the world’s worst nuclear disaster The dosimeters went off scale. A huge plume of smoke from the explosion shot a kilometer into the sky, and tons of nuclear fuel and graphite were scattered around the nuclear power plant. The shocked operators of the Chernobyl NPP could only watch in horror as the worst radiation disaster in history unfolded. Yet just a couple of hours earlier, no one could have imagined such a