[Former Proud Canadian]

It seems as if they cannot control the temperature of this pile of rubble. Is there a chance that it will reach criticality? What happens then?

[duckman]

” What happens then?”
Shrimp become 2 feet long and fish have two heads.

[central_va]

There is zero chance of any of the reactors going critical. The reaction stopped instantly when the reactors were scrambled and the boron rods dropped. ( well not instantly but close enough )