While financial institutions tried to mitigate risks by bundling subprime mortgages, Fukushima’s cooling system was able to cope with either a blackout and an earthquake or a tsunami. But, in both cases, the failure probabilities were correlated, and their joint occurrence led to catastrophe.
当金融机构尝试用捆绑次级贷款的方式来减低风险的时候，福岛核电站的冷却系统也能够分别应付停电，地震或是海啸灾害。但在这两个事件中，众多事故可能性却连锁爆发，而这一联合反应则最终导致了大灾难的发生。