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In reply to the discussion: Fukushima No. 1 can’t keep its head above tainted water [View all]RobertEarl
(13,685 posts)You even say so what the cores did was melt through the "REACTOR PRESSURE VESSEL" which is what contained the nuclear fuel.
When it melted through the pressure vessel and became open to the environment via the wide environment of water pipes and torus and turbine areas, it did not stop melting.
Not even robots can last long enough to examine the inside of the buildings, and few humans have entered because of high radiation levels from the un-contained core, we know the cores are not contained. The cores are doing what melting cores do, act like lava.
We do not know the exact location of the cores and we may not know for years because they are not contained and are releasing radiation to the atmosphere. Releasing radiation to the atmosphere means free. Means not contained.
Please reply that you understand this because, really, it's two year old history.