The 'no-cloning' theorem of quantum mechanics forbids the perfect copying of properties of photons or electrons. But quantum teleportation allows their flawless transfer — now even for two properties simultaneously. See Letter p.516
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Tittel, W. Teleportation for two. Nature 518, 491–492 (2015). https://doi.org/10.1038/518491a
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DOI: https://doi.org/10.1038/518491a
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