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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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This flat wooden blackboard curve has ...

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 ...