By constructing hexagonal metallic-mean approximants of the honeycomb lattice, scientists have linked incommensurately modulated structures and quasicrystals, two classes of aperiodic crystals. They found that a quasicrystal converges to a modulated honeycomb crystal on arranging tiles based on metallic means. This metallic-mean tiling pattern was also identified in polymer and colloidal systems in soft-matter self-assemblies, providing new insights into aperiodic crystals.
source https://www.sciencedaily.com/releases/2024/07/240711111450.htm
Ancient amphibians as big as alligators died in mass mortality event in
Triassic Wyoming
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Dozens of amphibians perished together on an ancient floodplain around 230
million years ago, according to a study published in the open-access
journal PLO...
1 hour ago
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