Gen III reactors have a core catcher[1] to handle a meltdown, in addition to many features making a meltdown even less likely to happen.
[1] https://en.wikipedia.org/wiki/Core_catcher
Gen III reactors have a core catcher[1] to handle a meltdown, in addition to many features making a meltdown even less likely to happen.
[1] https://en.wikipedia.org/wiki/Core_catcher