Tag Archives: Linus Carl Pauling
Why do quasicrystals exist?
Featured image: An example of zellij tilework in the Al Attarine Madrasa in Fes, Morocco (2012), with complex geometric patterns on the lower walls and a band of calligraphy above. Caption and credit: just_a_cheeseburger (CC BY) ‘Quasi’ means almost. It’s … Continue reading
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Tagged crystallography, Dan Shechtman, density functional theory, DFT-FE, enthalpy, entropy, finite element analysis, fivefold symmetry, graphics processing unit, Linus Carl Pauling, nucleation, phase diagram, quasicrystals, scandium-zinc, surface energy, translational symmetry, unit cell, ytterbium-cadmium
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A case of Kuhn, quasicrystals & communication – Part III
The doctrine of incommensurability arises out of the conflict between two paradigms and the faltering of communications between the two adherent factions. According to Kuhn, scientists are seldom inclined to abandon the paradigm at the first hint of crisis – … Continue reading
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Tagged crystal twinning, crystallography, doctrine of incommensurability, Linus Carl Pauling, quasicrystals, science journalism, three-dimensional geometry
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