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  • RESEARCH HIGHLIGHT

A window that darkens on demand could shine at saving energy

A one hundred centimetre squared dynamic window with a transparent pane (left) and a nearly opaque pane (right)

A combination of chemical processes rapidly turns a clear window dark. Credit: S. M. Islam et al./Nature Energ.

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Nature 567, 9 (2019)

doi: https://doi.org/10.1038/d41586-019-00658-0

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