Historical Events tagged with "criticality accident"

Turns out history loves a label—battles, breakthroughs, and the occasional disaster, all neatly tagged for your browsing pleasure. Because sometimes you just need every weird invention in one place.

Accidents & Tragedies

Fatally Irradiated Incident Involving Harry Daghlian

August 21st, 1945 79 years ago

Harry Daghlian, a physicist, was fatally irradiated while conducting an experiment with the Demon core at Los Alamos National Laboratory. While working to determine the neutron reflection characteristics of the core, Daghlian accidentally dropped a brick that completed a neutron-reflecting configuration. This incident led to a criticality accident, causing a lethal dose of radiation before he could be treated for exposure.

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