SWhat changed
Observed radiofrequency resonance absorption by nuclear moments in solid paraffin.
Scientific scope
The record is the exact three-author 1946 Physical Review letter. It does not absorb Bloch, Hansen and Packard's independent liquid-state work, later NMR spectroscopy, MRI or every apparatus contributor.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact three-author 1946 Physical Review letter. It does not absorb Bloch, Hansen and Packard's independent liquid-state work, later NMR spectroscopy, MRI or every apparatus contributor.
Contributors
- Edward M. Purcell · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- Henry C. Torrey · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- Robert V. Pound · 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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