M-theory
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In physics, M-theory (sometimes also called U-theory) is a proposed "master theory" that unifies the five superstring theories. Drawing on the work from a number of string theorists (including Chris Hull, Paul Townsend, Ashoke Sen, Michael Duff and John H. Schwarz), Edward Witten of the Institute for Advanced Study suggested its existence at a conference at USC in 1995, and used M-theory to explain a number of previously observed dualities, sparking a flurry of new research in string theory called the second superstring revolution.

In the early 1990s, it was shown that the various superstring theories were related by dualities, which allow physicists to relate the description of an object in one string theory to the description of a different object in another theory. These relationships imply that each of the string theories is a different aspect of a single underlying theory, proposed by Witten, and named "M-theory".

M-theory is not yet complete; however it can be applied in many situations (usually by exploiting string theoretic dualities). The theory of electromagnetism was also in such a state in the mid-19th century; there were separate theories for electricity and magnetism and, although they were known to be related, the exact relationship was not clear until James Clerk Maxwell published his equations, in his 1864 paper A Dynamical Theory of the Electromagnetic Field. Witten has suggested that a general formulation of M-theory will probably require the development of new mathematical language. However, some scientists have questioned the tangible successes of M-theory given its current incompleteness, and limited predictive power, even after so many years of intense research.

Introduction to M-theory
Essier read.

If I recall correctly without going back and rereading all of this, instead of the singularity of the big bang you have to membranes that ripple. Where they touch is where you get your "big bang" or a universe. This allows for multiple universes as well as the membranes would touch in more than one spot.


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