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Nuclear expert John Large today questioned Fukushima's '4' status, telling The First Post: "We're not getting the information out of the government but I would say this is a significant nuclear event. You don't blow the top off a building and say it's not."
Japanese Cabinet Secretary Yukio Edano said today that there was the possibility of an explosion at the No 3 reactor but he was confident the steel containing vessel around the core of the reactor would withstand the blast – as it did when No 1 reactor blew up on Saturday.
Large said he found this hard to believe.
The "jellyfish" shape of Saturday's explosion and the decision to vent the reactor's secondary containment – releasing radioactive vapour and necessitating the evacuation of local people – all suggest fuel rods had melted and leaked from the primary containment.”
Originally posted by onequestion
So what does a typical nuclear explosion look like?
Originally posted by downtown436
Originally posted by onequestion
So what does a typical nuclear explosion look like?
What?
Originally posted by loveguy
Suppose that the EQ wasn't a 9.0 until the blast occurred in the reactor? The two reactors that weren't online didn't get compromised like the others did? No reports of any odd flashes of lights?
I'm just thinking of how unstable the reactors were prior to the initial EQ???
First of all, thanks for the videos.
Originally posted by downtown436
It was not a "hydrogen" explosion like the MSM says, it was a reactor core explosion. This is something that has never happened, and no one really knows the consequences of having a nuclear power plant core explode and spill its entire contents into the environment, not to mention powdered/scattered tons and tons of spent fuel rods all over the place.
Critical or supercritical nuclear fission (one that is sustained in power or increasing in power) generally occurs inside reactor cores and occasionally within test environments. A criticality accident occurs when a critical reaction is achieved unintentionally. Although dangerous, typical criticality accidents cannot reproduce the design conditions of a fission bomb, so nuclear explosions do not occur. The heat released by the nuclear reaction will typically cause the fissile material to expand, so that the nuclear reaction becomes subcritical again within a few seconds.
In the history of atomic power development, sixty criticality accidents have occurred in collections of fissile materials outside nuclear reactors and some of these have resulted in death, by radiation exposure, of the nearest person(s) to the event. However, none have resulted in explosions.