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Big Picture Science

Big Picture Science

40 Years After Chernobyl

Apr 27, 2026 · 1h 3m

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About this episode

On April 26th, 1986, an explosion at the Chernobyl Nuclear Power Plant in the Soviet Union blasted a plume of radioactive debris a half mile into the sky, blanketing Europe. Witnesses described a laser of blue light eerily shooting up from the reactor core. Built to represent the bright future of nuclear power, Chernobyl instead became the biggest nuclear disaster in history. In the first of a two-part series, we retell the story of the accident, the role that design flaws and human error played, and the futile attempts at radiation containment. We also consider the long shadow the catastrophe cast over nuclear power, and the significant political fallout of the Soviet coverup; the…