Sacred geometry. A or is a location where the quantities that are used to measure the gravitational field become infinite in a way that does not depend on the coordinate system. These quantities are the scalar invariant curvatures of spacetime, some of which are a measure of the density of matter. For the purposes of proving the Penrose-Hawking singularity theorems , a spacetime with a singularity is defined to be one that contains geodesics that cannot be extended in a smooth manner. The end of such a geodesic is considered to be the singularity. This is a different definition, useful for proving theorems. The two most important types of spacetime singularities are and .
A fractal - the Peano curve. A fractal is a structure which exhibits self-similarity on a number of scales. A cauliflower is one simple example from everyday life. You can see in the picture that each floret of the cauliflower is like a miniature of the whole cauliflower. Also each floret is composed of tiny sub-florets, and this pattern continues on at least another level below that. The fractal at the top of this page, and that also forms the background, is called a Peano curve , discovered by Giuseppe Peano in 1890 and incorporated into fractal theory by Benoit Mandelbrot in 1977. Muslim art - World art.
Signature tune Muslims are now known throughout the world to a greater extent than they have ever been. Just as I created a post on Egyptian art I am now doing one on Muslim Art. It is bound to create controversy. Anyone who feels very strongly about this is welcome to make a comment. However, comments exceeding the normal length of an Orble post will be deleted.