Dendritic growth of electrohydrodynamic convection in a nematic liquid crystal

Article Abstract:

The formation of finger-like dendrites by nematic liquid crystals was analyzed during electrohydrodynamic convection. Induction of electrohydrodynamic convective flow via magnetic field application in nematic liquid crystals indicated the formation of finger-like dendritic patterns that invade the equilibrium state during the initial process of convection. The reaction also exhibits the pervasive growth mechanism that leads to the formation of dendrites.

Supercooled liquids, Crystallization

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Global azimuthal seismic anisotropy and the unique plate-motion deformation of Australia

Article Abstract:

No systematic difference is there in the depth location of azimuthal anisotropy between continents and oceans, except beneath Australia. Australia is the only continental plate where azimuthal anisotropy correlates significantly with present-day plate motion.

Surfaces, Deformation of, Surface deformation, Continental drift

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Hadean diamonds in zircon from Jack Hills, Western Australia

Article Abstract:

The discovery of the microdiamonds inclusions in the Jack Hills zircons with an age range from about 3000 to 4000 million years back, including the oldest known diamonds found in terrestrial rocks, is presented.

Gem Diamonds, All Other Nonmetallic Mineral Mining, Miscellaneous nonmetallic minerals, Discovery and exploration, Diamonds, Zircon, Diamond crystals

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