12 DEC 2011 by ideonexus

 M-Theory is a Map

M-theory is not a theory in the usual sense. It is a whole family of different theories, each of which is a good description of observations only in some range of physical situations. It is a bit like a map. As is weU known, one cannot show the whole of the earth's surface on a single map. The usual Mercator projection used for maps of the world makes areas appear larger and larger in the far north and south and doesn't cover the North and South Poles. To faithfully map the entire earth, one ...
  2  notes

Just as there is no single flat map that can describe the Earth's surface, M-Theory is a collection of models that describe the laws of our Universe.