In geometry, an n-sided prism is a polyhedron made of an n-sided polygonal base, a translated copy, and n faces joining corresponding sides. Thus these joining faces are parallelograms. All ...

The term semiregular is used to describe polyhedra that are uniform but not regular. The semiregular convex polyhedra include thirteen solids associated with another ancient mathematician, Archimedes.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Thiscut and folded tan paper model ...

Epithelial cells, which cover the surfaces of many organs, adopt a previously undescribed geometric shape - the scutoid - so that the tissue can curve, scientists have found. The epithelial cells ...