ration of the reactor itself. there is the building, the casing around the reactor and the nuclear fuel inside. if that melts down and the wo t worst-case scenario, everything fails, and the radiation seeps into the ground and goes into the atmosphere and, then, of course, people are exposed and we know what the risks are from there. potentially catastrophic risks. a lot of fear as you mentioned yesterday. the explosion took place. there was a lot of fear you could be seeing there a meltdown of the reactor and causing the explosion. that was not the case, according to the government. not the reactor, but a building outside the reactor that exploded, and that's why we saw smoke billowing into the sky. also talking about the possibility of a new explosion at the number three reactor in daiichi. that, again, though, they are saying wouldn't be in the reactor, but because of the buildup of hydrogen as part of