by marykavanagh | Oct 8, 2021 | News
Photography and introduction by Robert Del Tredici. Captions by Robert Del Tredici and Gordon Edwards. | October 7, 2021 Source: Bulletin of the Atomic Scientists. This glass sphere, 3.2 inches across, is the exact size of the plutonium ball in the Nagasaki bomb....
by marykavanagh | Oct 1, 2021 | News
David Wargowski, committed member of the Bulletin Community “Together we can make a difference. The Bulletin provides the research and information needed to reduce threats to our existence. It’s the only media outlet devoted to the study of existential threats...
