A photo provided by the U.S. Department of Defense shows the mushroom cloud caused by the Trinity nuclear test, on July 16, 1945. A new study, released on Thursday, July 20, 2023, ahead of submission to a scientific journal for peer review, shows that the cloud and its fallout went farther than anyone in the Manhattan Project had imagined in 1945. (U.S. Department of Defense via The New York Times) — NO SALES; EDITORIAL USE ONLY —
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