Piero Scaruffi(Copyright © 2013 Piero Scaruffi | Legal restrictions )
These are excerpts and elaborations from my book "The Nature of Consciousness"
Einstein's objection did not die there and is still very much alive, if nothing else because, ultimately, it can be read as an objection to the role that the observer plays in Quantum Theory.
The US physicist Alwyn Scott resuscitated Einstein's hypothesis. Scott argued in favor of an interpretation of Quantum Theory as an approximation to a not yet discovered non-linear theory. The new theory must be non-linear because it is the only way to remove Heisenberg's uncertainty principle, which descends from the linearity of Schroedinger's equation.
Again inspired by Einstein, the Australian philosopher Huw Price thinks that backward causation (that future can influence the past), or advanced action, is a legitimate option. Price believes that our theories are time-asymmetric because we are conditioned by folk concepts of causality. Physical theories are built starting with the assumption that the future cannot influence the past, and therefore it is no surprise that they prescribe that the future cannot influence the past. If we remove our preconceptions about causality, then we can redraw Quantum Physics. Then it turns out that Einstein was right with his hypothesis of hidden variables, and that Quantum Physics provides an incomplete description of the universe. A complete Quantum Physics will not assign any critical role to the observer.
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