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 ...

The electrochemical oxidation of transition metal dichalcogenides generates 2D transition metal oxychalcogenides, offering enhanced stability and activity for electrochemical water oxidation.

Please scroll down to end of page for previous years' dates. In Greece, Orthodox Easter is celebrated with an entire week of festivities – aptly titled The Holy Week – with Good Friday, Easter Sunday, ...