physics
French physicists James Hefford and Matt Wilson have proposed a mathematical model called QBox, outlining a post-quantum layer of reality that could bridge quantum theory and gravity. The theory introduces 'hyperdecoherence,' allowing quantum mechanics to emerge from a deeper realm with indefinite causality. Experts praise the work as a promising step toward quantum gravity.
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Scientists have identified a method to create multiple copies of quantum information by encrypting them with a one-time decryption key, sidestepping the no-cloning theorem. This approach, developed by Achim Kempf and colleagues at the University of Waterloo, was tested on an IBM quantum processor. The technique could enhance redundancy in quantum computing and storage systems.