The media has significantly distorted (or even misinformed) the image of the nuclear situation in Japan at the Fukushima powerplant. The situation is dire, the dangers are real, and major, but a comparison to Chernobyl is far fetched to say the least. Here is a good explanation and a video of what’s going on during a meltdown, as well as adiitional information and a video regarding the whole situation in Japan.