SWhat changed
Calculated transverse electromagnetic-hydrodynamic waves in a magnetized conducting fluid.
Scientific scope
The record is Alfvén's sole-author 1942 Nature letter and its idealized calculation. It is not an experimental detection, a complete magnetohydrodynamic theory, or a record for every later plasma-wave result.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Alfvén's sole-author 1942 Nature letter and its idealized calculation. It is not an experimental detection, a complete magnetohydrodynamic theory, or a record for every later plasma-wave result.
Contributors
- H. Alfvén · 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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