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**M-Theory**

M-Theory is a candidate for a Theory of Everything, like string theory. In fact, it is an extension of the latter to 11 dimensions.

The basic objects of M-Theory are p-branes, which are p-dimensional membranes. In this new context, strings are 1-branes, point particles are 0-branes and membranes are 2-branes.

M-Theory does not have a complete formulation. However, it is believed to unify the 5 different string theories along with supergravity.

For more information, visit Wikipedia’s page on M-theory

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