nathan myrhvold. his story is amazing, he had a ph.d. by 23, chief technology officer at microsoft, paleontologist who has discovered nine t-rex, a master chef and his company holds 30,000 patents, all in a day's work, right? welcome back to the program, nathan. >> great to be here. >> when you saw what was happening in japan, what was your reaction? >> well, i think the first thing to understand, this is a slide rule-era plant designed in the 1960s and designed with a bunch of design decisions that you just have to question. as was typical of plant of that era, it's unsafe if the electricity every goes off. you needed to pump coolant through the plant at all timed. you should never have the electricity off. on, the strategy was to say, final, let's have diesel generators as backup. and to put the diesel generator essentially at sea level in an area that gets tsunamis. the problem is that the water from the tsunami flooded the diesel generators. and at that point they were pretty much screwed. but things got worse from that point onward.