3 ms·

I think this theory has been mostly debunked, ironically because it pretty much happened in multiple reactors at fukashima without that disastrous result.

• jeremyjh 7y ago
  There was no core breach at all in Fukushima.
  • beerandt 7y ago
    It didn't fully breach the concrete floor, but it breached the pressure vessels in at least 2 reactors and fell into a "basement" of pooled water, without the catastrophic stream explosion hypothesized for Chernobyl.