Picture this: you’re just mixing up some nuclear fuel like it’s a batch of cookie dough, and bam—a blue flash turns your workday into a sci-fi horror flick. Hisashi Ouchi, a 35-year-old worker at Japan’s Tokaimura Nuclear Power Plant, probably wished he’d called in sick that day in 1999 when a miscalculation doused him with lethal radiation. Kept alive for 83 agonizing days, he endured skin falling off, crying blood, and experimental treatments that failed spectacularly. It’s the ultimate bad day at the office, where “going nuclear” means something way worse than losing your temper.

On September 30, 1999, Ouchi and colleagues mistakenly added 16kg of uranium to a vat—far over the 2.4kg limit—triggering a critical reaction. Exposed to 17,000 mSv of radiation, Ouchi’s body deteriorated rapidly: immune system failure, blistering skin, organ shutdown. Despite grafts, transfusions, and stem cells, he died December 21 from multiple organ failure. The incident, blamed on poor safety and oversight, led to government scrutiny and Ouchi’s grim nickname, “Radioactive Man.”

Radiation accidents: not just movie plots, but real horrors that make you hug your desk job. Ouchi’s 83-day ordeal of crumbling DNA and experimental agony highlights human error’s deadly cost in nuclear work. Click to watch the chilling simulation and learn more!

Chilling simulation shows true reality of man who suffered ‘most painful death ever’ and cried blood