The same principle applies to buildings. Have an explosion on the outside of a building, it isn't contained, so the energy release dissipates. Inside the building, it is contained and causes much more damage. If this was a nuclear explosion, as you wish to think, then the reactor would not be there any more, neither would the reactor building. It was a hydrogen explosion, nothing more, despite what you would like it to be.
"this is just wrong the AP1000 is not save the first 72hours because the passiv cooling solution can not backup the first 32minutes." I can't see anything on the wiki page about this claim. Wikipedia does say this: "In the AP1000, Westinghouse's Passive Core Cooling System uses multiple explosively-operated and DC operated valves which must operate within the first 30 minutes. This is designed to happen even if the reactor operators take no action."
"sure you are Biased if you are not a nuclear fanboy LOL!!! what a irony!" No, don't try and twist my posts to suit your own agenda. I just stated that they were not writing objectively.
Face it, you don't know what you're talking about and are relying on questionable, and to some extent, ignorant, sources to get your information. I'm relying on knowledgeable, peer reviewed, sources. Scientific and engineering publications that don't rely on the emotional and unfounded accusations of ignorant people.
But, yet again, any discussion with you has turned into name calling and personal insults. If you can't type anything without insulting me, don't bother typing it at all.