The Great Pyramid of Giza is the last remaining Wonder of the Ancient World and mystery still surrounds it to this day. The ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

Many objects such as packing containers, buildings and components of machines have geometric representations that use two- and three-dimensional shapes. This leads to many practical scenarios that ...

The works of ten international artists rise amid the ancient site, on view from today, November 11th, to December 6th.

Abstract: A Si triangular pyramidal structure was proposed to produce a sharp needle tip for MEMS applications. It has the advantage that it can always become sharp because the vertex of a triangular ...