Tag Archives: Deadly Incident

This Day in the Yesteryear: DEADLY INCIDENT AT EXPERIMENTAL US NUCLEAR POWER REACTOR (1960)


Deadly Incident at Experimental US Nuclear Power Reactor (1960)

The only fatal nuclear reactor incident in US history occurred at the US Army’s SL-1 experimental nuclear reactor. It was being restarted after an 11-day shutdown when a control rod was withdrawn too far, causing a “prompt critical” reaction. Water surrounding the core explosively vaporized and lifted the enormous reactor vessel more than 9 ft (2.7 m) off the ground. All three operators—one of whom was impaled and pinned to the ceiling—died. Why was the incident rumored to be a murder-suicide? More…Discuss

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