2D shapes can be described by their sides, their angles and their symmetry. The sides might be equal in length and some might be parallel. The angles could be right angles, but sometimes they are ...

Two-dimensional (2D) shapes are completely flat. They have two dimensions – length and width. A polygon is a closed 2D shape with straight sides that meet at vertices. Polygons can be regular or ...

Materials scientists are calling for a collective, global effort to fast-track the mass production of 2D materials like graphene and molybdenum disulfide. Materials scientists at Rice University and ...