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A new paper has been published on the unusual microstructure of smectics -- liquid crystals whose molecules are arranged in layers and form ellipses and hyperbolas -- and their similarity to ...
Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London, Vol. 4 (1837 - 1843), pp. 443-444 (2 pages) ...
This pre-Roman Celtic Mount displays British mastery of geometry and mathematics as well as bronze-making technology. The outer shape is an ellipse with two extra dissimilar conical sections that ...
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