AWhat changed
Uranium-associated penetrating emission became a distinct experimental phenomenon.
Scientific scope
1896 four-page experimental note; later terminology, radium isolation, quantitative radioactivity and nuclear interpretation excluded.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the bounded 1896 experimental note. The later term radioactivity, quantitative theory, isolation of radioactive elements and nuclear interpretation belong to subsequent work.
Contributors
- Henri Becquerel · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
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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