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A comment on Nuclear power looks to regain its footing 10 years after Fukushima. Parent comment

Re:Nuclear power looks to regain its footing 10 years after ... by Akronymus on Thursday March 11, 2021 @12:39PM (#26426724)
Modern reactor designs physically CAN'T explode. Modern reactors are designed with a HEAVILY negative coefficient.

https://en.wikipedia.org/wiki/Void_coefficient

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Re:Nuclear power looks to regain its footing 10 years after ... by baybal2 on Thursday March 11, 2021 @03:16PM (#26428507)
> Modern reactor designs physically CAN'T explode.

You have a few gigawatt water heater, and an extremely large pressure vessel.

Modern reactors physically can explode, with, or without positive void reactivity coefficient.

I urge you to disable the control system on any working PWR reactor, and stand by to test your hypothesis.

Rapid power excursions with, or without coolant inside come from many phenomena, not just void reactivity coefficients.

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