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The Braggs related crystal diffraction angles to lattice-plane spacings and solved early crystal structures, turning X-ray interference into a chemical structure method.
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Bragg’s relation and early structure solutions made crystal diffraction an operational atomic-structure method.
The source experiment, observation, anomaly, or problem materially motivated the development, revision, or acceptance of the target concept. Historical influence is not logical derivation; the edge detail states the documented role and avoids retrospective origin myths.
wp-chem-bragg-lawnobel-bragg-1915