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The text "The Shadow of Nuclear Colonialism" superimposed on an image of the explosion at 9.0 seconds after the Trinity detonation on July 16, 1945

The text “The Shadow of Nuclear Colonialism” superimposed on an image of the explosion at 9.0 seconds after the Trinity detonation on July 16, 1945. (Photo illustration byLucy Kang; background image via United States Department of Energy)