In This Nuclear World, What Is the Meaning of "Safe"?

In This Nuclear World, What Is the Meaning of "Safe"?
Barbara Rose Johnson, Bulletin of the Atomic Scientists: "In a nuclear crisis, life becomes a nightmare for those people trying to make sense of the uncertainties. Imaginably, the questions are endless. Radiation is invisible, how do you know when you are in danger? How long will this danger persist? How can you reduce the hazard to yourself and family? What level of exposure is safe? How do you get access to vital information in time to prevent or minimize exposure?... And the list of unknowns goes on. These questions are difficult to answer in the chaos and context of an ongoing disaster, and they become even more complicated by the fact that governments and the nuclear industry maintain tight control of information, operations, scientific research, and the biomedical lessons that shape public-health response."
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