https://www.cnet.com/news/the-fukushima-nuclear-disaster-eight-years-on/ > And then there's that itch I just can't scratch. > There's a good reason for all that protection — I'm inside the cavernous top of the Unit 3 reactor in the Fukushima Daiichi Nuclear Power Plant. Yes, that Fukushima Daiichi, site of the world's worst nuclear disaster.