For 35 years, that is, since the explosion of the nuclear reactor in ChernobylScientists are taking measurements under the Safety Dome. According to New Scientist, they recently observed a sharp increase in nuclear reactions in the inaccessible room of the destroyed complex. They are now investigating whether the problem will stabilize or require dangerous and difficult intervention.

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The suspected sub-reactor 305/2 may be at fault. It is likely that one of his rooms is filled with radioactive material. It has not been available since the disaster.