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Reactor meltdown possible in Japan.


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Uh, if their plants are designed better than ours and they're in the midst of a meltdown right now.... yeah, that's scary.

I'm not sure he knows what he's talking about. Japan almost had a meltdown in 1999. Anyway, we could send diesel engines and fuel over there in less than 10 hours. It's just how fast can you get it from the airport to the nuclear power plant.

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TimeOutTokyo TimeOutTokyo RT @TheNewsBlotter: @TimeOutTokyo From Kyodo: Top of MOX fuel rods 3 meters above water at Fukushima plant: TEPCO

TimeOutTokyo TimeOutTokyo Containers 1 & 3: Radiation still leaking. Edano thinks the 3rd container will not explode.

TimeOutTokyo TimeOutTokyo Container 3: NHK guy is saying when the cooling stopped, the water lowered, and the rods were exposed...

TimeOutTokyo TimeOutTokyo They've refilled it, but there's a possibility that the rods could melt, causing more radiation leaks. All NHK opinion, not official word.

TimeOutTokyo TimeOutTokyo 21,000 people in total needed evacuation from around the 1st reactor. Some have been, some are in the process.

TimeOutTokyo TimeOutTokyo 19 of those evacuees are confirmed to have high levels of radiation. They are staying in hospital to be monitored.

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TimeOutTokyo TimeOutTokyo RT @TheNewsBlotter: @TimeOutTokyo From Kyodo: Top of MOX fuel rods 3 meters above water at Fukushima plant: TEPCO

TimeOutTokyo TimeOutTokyo Containers 1 & 3: Radiation still leaking. Edano thinks the 3rd container will not explode.

TimeOutTokyo TimeOutTokyo Container 3: NHK guy is saying when the cooling stopped, the water lowered, and the rods were exposed...

TimeOutTokyo TimeOutTokyo They've refilled it, but there's a possibility that the rods could melt, causing more radiation leaks. All NHK opinion, not official word.

TimeOutTokyo TimeOutTokyo 21,000 people in total needed evacuation from around the 1st reactor. Some have been, some are in the process.

TimeOutTokyo TimeOutTokyo 19 of those evacuees are confirmed to have high levels of radiation. They are staying in hospital to be monitored.

I'm not sure this twitter account is accurate. But, who knows right now.

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So what would actually have to happen to trigger an explosion capable of producing a radioactive cloud? Is that even possible given this reactor design? Very few people seem to know much on this subject as it's very complicated/complex.

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So what would actually have to happen to trigger an explosion capable of producing a radioactive cloud? Is that even possible given this reactor design? Very few people seem to know much on this subject as it's very complicated/complex.

There's someone here who has experience working with nuclear technology. He's been posting in this thread.

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So what would actually have to happen to trigger an explosion capable of producing a radioactive cloud? Is that even possible given this reactor design? Very few people seem to know much on this subject as it's very complicated/complex.

I would think its very unlikely based on everything that's been said comparing this reactor to Chernobyl, but don't really know, of course.

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TOKYO (AP) -- Japan's top govt spokesman says partial meltdown likely under way at second reactor.

What the hell does that even mean (this is the third occasion of a "partial meltdown" being likely underway) and what second reactor? I thought we were talking about #1 and #3. This cryptic release of information and poor reporting by U.S. news agencies is really frustrating.

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What the hell does that even mean (this is the third occasion of a "partial meltdown" being likely underway) and what second reactor? I thought we were talking about #1 and #3. This cryptic release of information and poor reporting by U.S. news agencies is really frustrating.

Dunno... just saw it cross the AP wire here at work so I posted the urgent.

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What the hell does that even mean (this is the third occasion of a "partial meltdown" being likely underway) and what second reactor? I thought we were talking about #1 and #3. This cryptic release of information and poor reporting by U.S. news agencies is really frustrating.

I believe the second reactor would be #3..#1 has already had a partial meltdown.

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What the hell does that even mean (this is the third occasion of a "partial meltdown" being likely underway) and what second reactor? I thought we were talking about #1 and #3. This cryptic release of information and poor reporting by U.S. news agencies is really frustrating.

Thank you! It's ridiculous already!

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What the hell does that even mean (this is the third occasion of a "partial meltdown" being likely underway) and what second reactor? I thought we were talking about #1 and #3. This cryptic release of information and poor reporting by U.S. news agencies is really frustrating.

It's the 2nd reactor to have a meltdown. It's reactor #3, the one that lost cooling. It's a partial meltdown right now since it started melting down, but hasn't completely melted down as they are attempting to stop it.

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I have a sense that all is not what it seems to be and that we are not being told the truth as to how severe the problem is.

ive been around 43 years, and ya learn to trust your instincts. ive felt since this started this will not end well. sorry the way I feel but Nuclear tech I do know when something goes wrong, it goes really wrong without much of a chance to return it back to "normal"

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Dunno... just saw it cross the AP wire here at work so I posted the urgent.

A link would help?

Anyway, here's what seems to be a good description about what has and can still go wrong... I quoted some important parts:

http://news.yahoo.com/s/ap/20110312/ap_on_re_as/as_japan_quake_power_plant

"If the temperature inside the Fukushima reactor vessel continued to rise even more — to roughly 4,000 degrees Fahrenheit (2,200 Celsius) — then the uranium fuel pellets would start to melt. According to experts interviewed by The Associated Press, any melted fuel would eat through the bottom of the reactor vessel. Next, it would eat through the floor of the already-damaged containment building. At that point, the uranium and dangerous byproducts would start escaping into the environment.

At some point in the process, the walls of the reactor vessel — 6 inches (15 centimeters) of stainless steel — would melt into a lava-like pile, slump into any remaining water on the floor, and potentially cause an explosion much bigger than the one caused by the hydrogen. Such an explosion would enhance the spread of radioactive contaminants.

If the reactor core became exposed to the external environment, officials would likely began pouring cement and sand over the entire facility, as was done at the 1986 Chernobyl nuclear accident in the Ukraine, Peter Bradford, a former commissioner of the U.S. Nuclear Regulatory Commission, said in a briefing for reporters.""

So I guess a Chernobyl like explosion isn't completely impossible. :yikes:

I'm guessing a partial meltdown means that the fuel started melting and then was re-solidified by cooling?

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What the hell does that even mean (this is the third occasion of a "partial meltdown" being likely underway) and what second reactor? I thought we were talking about #1 and #3. This cryptic release of information and poor reporting by U.S. news agencies is really frustrating.

not the second as in reactor #2 but as in a 2nd reactor that has had meltdown(#1 being the first one)

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I won't say things are getting out of hand but the events over the last six hours do cause some concern.

Two reactors (#1 and #3) at the Daiichi plant are by most accounts in some stage of a meltdown with the #2 reactor showing increasing signs of instability.

Three of the reactors at the Daini plant are having increasing pressure rates after earlier being vented.

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