Spacetime
Spacetime Spacetime is a four-dimensional system that is composed of three spatial dimensions and a temporal time dimension. Einstein used the concept of spacetime in…
Tag: Euclidean Dimensions
The spatial dimensions of the universe are Euclidean. In other words, the axes are orthogonal (i.e. 90 degrees) to each other. Also, the three angles of all triangles always sum to 180 degrees.