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Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Even the color of blood comes from the protein hemoglobin, which contains iron. Investigating the ... composition and a highly ordered structure at the atomic level. When this highly ordered ...
Nature17d
On the Application of the Quantum Theory to Atomic Structure
ENGLISH readers will welcome this authoritative account by Prof. Bohr of the application of his theory to atomic structure. The essay has been translated from the Zeitschrift fur Physik by L.