What Are the Theories of Everything (TOEs)?
Theories of Everything (TOEs) are a quest to unify the understanding of the Universe from the particles world to the large-scale structures. Until now the large-scale structures of the Universe are explained by Einstein’s relativity which is a theory of gravity and energy as the particle world is best explained by the quantum physics which is a description of the building-block particles and of the forces which are at the origin of the atoms. TOEs are building upon Grand Unified Theories (GUTs) which, as far as they are concerned, are trying to push quantum physics further, unifying together all forces of the subatomic world. A first hint that TOEs are true will be observations that some constants linked to Relativity are violated. Up to now experiments brought evidence that even at a high accuracy Einstein’s relativity is correct.