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Juan-Carlos Sancho-García is in the Department of Physical Chemistry, University of Alicante, E-03080 Alicante, Spain.
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Are you reading this News & Views article on a mobile phone? Do you stream your favourite series on a bright, flat-screen television, or help your kids do schoolwork on their tablets? If so, then one day you might benefit from the advance reported by Aizawa et al.1 in Nature. They describe a breakthrough that overcomes long-standing constraints imposed by the laws of quantum mechanics on the energy efficiency of electronic displays, using a new strategy for understanding and engineering the interactions of light with matter.
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doi: https://doi.org/10.1038/d41586-022-02890-7
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The author declares no competing interests.
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Nature (Nature) ISSN 1476-4687 (online) ISSN 0028-0836 (print)