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Quantum gravity

Beyond the screen of time

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Can we ever know what happened before the Big Bang? It may have been only a stage in the existence of our Universe rather than its beginning, but analysis suggests the Big Bang is a barrier beyond which we may never see with clarity.

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  1. Carlo Rovelli is at the Centre de Physique Théorique de Luminy, University of Marseille, Case 907, Luminy, F-13288 Marseille, France. rovelli@cpt.univ-mrs.fr,

    Carlo Rovelli

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  1. Carlo Rovelli
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Rovelli, C. Beyond the screen of time. Nature Phys 3, 520–521 (2007). https://doi.org/10.1038/nphys690

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