http://transcripts.cnn.com/TRANSCRIPTS/1106/07/jkusa.01.htmlKING: And we have some video -- this is from TEPCO, the Tokyo Electric Power Company and it is of unit one. And I want to show this video and I want to ask you, Arnie Gundersen, when you look at this video -- as someone who understands the design, the engineering in here -- what are you seeing?
GUNDERSEN: It frightened me. What it's showing is that the nuclear reactor core has melted, and it's somewhere down below the floor. And you can just see boiling water and boiling steam coming out of that hole in the floor. It's the closest yet they've come to approaching that radioactive core. So, that was the first thing.
The second thing is that the robot -- these were taken with a robot -- measured a dose in that room of 400 rem per hour. We call that LD 50/50. And what that means is that it's a 50 percent chance you'll get a lethal exposure in one hour.
KING: So, if somebody was in that room for an hour or more, they're likely dead or seriously --
GUNDERSEN: Yes. If they're in that room for an hour, it's a quick death. It's not 10 years out. It's a 50/50 chance you'll die within a week.