In mathematics, a hypergraph is a generalization of a graph in which an edge can join any number of vertices. In contrast, in an ordinary graph, an edge connects exactly two vertices.
The periodic table is such a comforting way of cataloguing the Universe, breaking it down into its elements and organising them in nice neat boxes.www.sciencealert.com
Question: What is the equal sign, is it limited to two dimensions?
Question: What does a tesseract do?