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Meitner & Frisch: explaining nuclear fission

Contribution grade

Nuclear physics · Scoped scientific or research-capability contribution

Reference score170,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Interpreted neutron-induced uranium disintegration as the splitting of a heavy nucleus, explaining the large energy release.

Scientific scope

Interpreted neutron-induced uranium disintegration as the splitting of a heavy nucleus, explaining the large energy release. Scope limitation: The theoretical interpretation builds on Hahn and Strassmann’s chemical observations. Those experiments and later chain-reactor engineering are distinct contributions.

Evidence

Assessment uses the catalogue-linked source evidence for the stated contribution. The theoretical interpretation builds on Hahn and Strassmann’s chemical observations. Those experiments and later chain-reactor engineering are distinct contributions.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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