Radioactive fuel turns to goo during nuclear meltdown

Experiments reveal atomic rearrangements when uranium dioxide melts

nuclear reactor in the Czech Republic

CATASTROPHIC CLOSE-UP The structure of uranium dioxide, the most common fuel in nuclear reactors (such as this one in the Czech Republic), folds and collapses during a nuclear meltdown, a new study finds. 

Janos Korom Dr./Wikimedia Commons  (CC BY-SA 2.0)

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