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Stephen Schwartz
atomicanalyst.bsky.social
did:plc:iwbebt5r65c67xl5vy5iviwj
Today in 1949, the Soviet Union tested its first atomic bomb in Semipalatinsk, Kazakhstan. The 22-kiloton RDS-1 device—codenamed Joe-1 by the United States—was essentially a copy of the first plutonium-fueled implosion-type atomic bomb (the “Gadget”) the United States tested on July 16, 1945.
2025-08-29T14:08:17.310Z