Actually, one safety feature of an MSR is a "salt plug" that melts at a higher temperature. When the plug melts, the contents of the reactor flow into a boron

Actually, one safety feature of an MSR is a "salt plug" that melts at a higher temperature. When the plug melts, the contents of the reactor flow into a boron containment. https://www.sciencedirect.com/science/article/pii/S0306454919303573 https://www.sciencedirect.com/science/article/pii/S030645491...