Tchernobyl : "quel nucléaire penser pour être le plus sûr possible ?"

A nuclear sociologist reopens the Chernobyl debate: What design philosophy ensures the safest reactors? | Contesto: cronaca

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• Tchernobyl : "quel nucléaire penser pour être le plus sûr possible ?"

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In a nuanced reappraisal of the world’s worst nuclear disaster, Maël Goumri, a researcher in science and technology studies at INSA Rennes, has challenged the nuclear industry to move beyond the Chernobyl shadow and ask a more fundamental question: “What kind of nuclear power should we envision to be as safe as possible?” Speaking as a specialist in the sociology and history of science and technology, Goumri did not offer a simple technical fix but instead reframed the debate around the social and institutional choices that shape reactor design. The Chernobyl disaster of 1986 remains the defining catastrophe of the atomic age, a term that for decades has been shorthand for the dangers of nuclear fission. Goumri’s intervention is significant because it shifts the focus from the specific failings of the Soviet-era RBMK reactor—a design that lacked a containment structure and had dangerous positive void coefficient characteristics—to the broader design philosophies that persist today. By asking “quel nucléaire penser,” the researcher invites a critical examination of not just engineering blueprints, but the entire decision-making ecosystem that produces them. Goumri’s academic background in science and technology studies (STS) is central to his argument. STS scholars examine how scientific knowledge is produced and how technological systems are shaped by cultural, political, and economic forces. From this perspective, the Chernobyl accident was not merely a technical failure but a systemic one, rooted in a Soviet system that prioritized production targets over safety culture, suppressed dissent, and lacked independent regulatory oversight. The researcher’s question implicitly suggests that future safety depends on addressing these institutional and social vulnerabilities as much as on improving reactor hardware. The timing of this analysis is notable. As several nations, including France, pursue new nuclear builds to meet decarbonization goals, the debate over reactor types has intensified. Small modular reactors (SMRs) and Generation IV designs are promoted as inherently safer, yet Goumri’s framing warns against technological determinism—the belief that a new...

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Categoria: cronaca