**Science News**

###### Curated by RSF Research Staff

# Gerard ’t Hooft on the Future of Quantum Mechanics

There is no doubt that quantum mechanics is successful and although not complete it has been able to make extremely precise predictions, notably the g-factor - a dimensionless constant of proportionality that characterizes the gyromagnetic ratio of an atom - which is known with a precision of 26 ppt (parts per trillion).

However, with the standard ‘Copenhagen’ interpretation of quantum mechanics comes all of the quantum weirdness and the idea of a random universe.

Renowned Nobel laureate and father of the holographic principle, Gerard t’ Hooft, now says that maybe the Universe isn’t so random and instead, in agreement with Einstein, the theory can allow for determinism. His latest work is brought on by a dissatisfaction of the current view point, where he emphasizes that quantum mechanics is a tool and not a theory and argues that “… even the standard model together with gravitational interactions might be viewed as a quantum mechanical approach to analyse a system that could be classical at its core.” ‘t Hooft’s interpretation offers such a deterministic explanation, the basis for which is like a cellular automaton evolving in discrete timesteps of an unobservable small scale and which he calls the cellular automaton interpretation of quantum mechanics.

The interpretation offered by ‘t Hooft is one more to add to the list of numerous interpretations of quantum theory, which although not as popular as the Copenhagen interpretation, are equally valid. For example, read about de Broglie–Bohm pilot wave theory here.

Understanding quantum mechanics as a tool and finding the correct interpretation is vital to making any progress in quantum gravity and unified physics theories. The model offered by Nassim Haramein is both in agreement with a de Broglie–Bohm pilot wave theory and ‘t Hooft’s cellular automaton interpretation of quantum mechanics in which following a generalized holographic approach utilizing spherical Planck units Haramein considers vacuum fluctuations within volumes as well as on horizon surfaces, generating a discrete spacetime quantization and a novel quantized approach to gravitation – quantum gravity.

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