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Experiment to test objective reductionExperiment to test Penrose's objective reductionExperimental test of Penrose's objective reduction by Dirk Bouwmeester Michael Brooks - New Scientist, 26 June 2010 This recent article describes a long-term experiment now underway to test Roger Penrose's hypothesis of objective reduction. This proposes that even particles that are isolated from the environment will decohere when their individual spacetime geometries becomes separated by more than the Planck length. This experiment is being run by Dirk Bouwmeester at the University of California, Santa Barbara and involves mirrors only ten micrometres across and weighing only a few trillionths of a kilo, and the measurement of their deflection by a photon. The experiment is expected to take ten years to complete. This means that theories of consciousness based on objective reduction are likely to remain speculative for at least that length of time. Confirmation of objective reduction would still leave the question of any connection to consciousness open. However, the ability to run an experiment that could look to falsify objective reduction, at least qualifies it as a scientific theory. |
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