Post
Stephen Schwartz
atomicanalyst.bsky.social
did:plc:iwbebt5r65c67xl5vy5iviwj
Tonight in 1945 at Los Alamos, 24-year-old graduate student and Manhattan Project physicist Harry K. Daghlian, Jr., was conducting a risky criticality experiment by himself in a shack when he accidentally dropped a 4.4-kg (9.7-pound) tungsten carbide brick on a 6.2-kg (13.7-pound) plutonium core.
2026-08-21T15:47:23.871Z