What changed
Quantum energy elements became a working explanatory device for a bulk material property, not only radiation.
Scientific scope
Einstein's 1907 single-frequency solid model; Debye spectra and later low-temperature accuracy are excluded.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. This is Einstein’s 1907 single-frequency model. Debye’s later spectrum, low-temperature accuracy and subsequent solid-state theory are separate contributions.
Contributors
- Albert Einstein · 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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