M theory is a theoretical framework that attempts to unify the different branches of string theory and provide a comprehensive understanding of the fundamental building blocks of the universe.
M theory describes fermions as particles that make up matter, such as electrons and quarks. These fermions are thought to be composed of smaller, vibrating strings in multiple dimensions.
M theory operates in 11 dimensions - 10 spatial dimensions and one time dimension. This is in contrast to the 4 dimensions (3 spatial dimensions and one time dimension) that are commonly perceived in our everyday lives.
M theory proposes that the additional dimensions are compactified or curled up in a way that is imperceptible to us. These dimensions are believed to play a role in the behavior of particles and their interactions.
M theory has the potential to provide a unified framework for understanding all the fundamental forces and particles in the universe. It also offers a possible explanation for the origin of the universe and the existence of multiple dimensions. However, more research and experimentation are needed to fully validate and understand the implications of M theory.