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. 2018 Sep 14;4(9):eaat7392. doi: 10.1126/sciadv.aat7392

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A) Progress of a water droplet pinned on the PIPGF at room temperature. (B) Progress of the water droplet sliding down the surface of the PIPGF with NIR switched on. (C) Progress of the droplet pinned on the PIPGF after NIR switched off.