[1] S. A. Abdul-Wahab, H. Al-Hinai, K. A. Al-Najar, and M. S. Al-Kalbani, Feasibility of fog water collection: A case study from Oman, J. Water Supply Res. Technol. AQUA 56, 275 (2007).
[2] M. J. Estrela, J. A. Valiente, D. Corell, D. Fuentes, and A. Valdecantos, Prospective use of collected fog water in the restoration of degraded burned areas under dry Mediterranean conditions, Agric. For. Meteorol. 149, 1896 (2009).
[3] J. R. Henschel and M. K. Seely, Ecophysiology of atmospheric moisture in the Namib Desert, Atmos. Res. 87, 362 (2008).
[4] A. Ritter, C. M. Regalado, and G. Aschan, Fog water collection in a subtropical elfin laurel forest of the Garajonay National Park (Canary Islands): A combined approach using artificial fog catchers and a physically based impaction model, J. Hydrometeorol. 9, 920 (2008).
[5] P.-B. Bintein, A. Cornu, F. Weyer, N. De Coster, N. Vandewalle, and D. Terwagne, Kirigami fog nets: How strips improve water collection, npj Clean Water 6, 54 (2023).
[6] D. Beysens, I. Milimouk, V. Nikolayev, M. Muselli, and J. Marcillat, Using radiative cooling to condense atmospheric vapor: A study to improve water yield, J. Hydrol. 276, 1 (2003).
[7] I. Lekouch, K. Lekouch, M. Muselli, A. Mongruel, B. Kabbachi, and D. Beysens, Rooftop dew, fog and rain collection in southwest Morocco and predictive dew modeling using neural networks, J. Hydrol. 448–449, 60 (2012).
[8] I. Haechler, H. Park, G. Schnoering, T. Gulich, M. Rohner, A. Tripathy, A. Milionis, T. M. Schutzius, and D. Poulikakos, Exploiting radiative cooling for uninterrupted 24-hour water harvesting from the atmosphere, Sci. Adv. 7, eabf3978 (2021).
[9] A. Jacobs, B. Heusinkveld, and S. Berkowicz, Passive dew collection in a grassland area, The Netherlands, Atmos. Res. 87, 377 (2008).
[10] J. Maestre-Valero, V. Martínez-Alvarez, A. Baille, B. Martín-Górriz, and B. Gallego-Elvira, Comparative analysis of two polyethylene foil materials for dew harvesting in a semi-arid climate, J. Hydrol. 410, 84 (2011).
[11] M. Muselli, D. Beysens, M. Mileta, and I. Milimouk, Dew and rain water collection in the Dalmatian Coast, Croatia, Atmos. Res. 92, 455 (2009).
[12] X. Hu, Q. Yi, X. Kong, and J. Wang, A review of research on dropwise condensation heat transfer, Appl. Sci. 11, 1553 (2021).
[13] D. Orejon, O. Shardt, N. S. K. Gunda, T. Ikuta, K. Takahashi, Y. Takata, and S. K. Mitra, Simultaneous dropwise and filmwise condensation on hydrophilic microstructured surfaces, Int. J. Heat Mass Transf. 114, 187 (2017).
[14] H. Zhu, Y. Huang, S. Zhang, S. Jin, X. Lou, and F. Xia, A universal, multifunctional, high-practicability superhydrophobic paint for waterproofing grass houses, NPG Asia Mater. 13, 47 (2021).
[15] J. Drelich, E. Chibowski, D. D. Meng, and K. Terpilowski, Hydrophilic and superhydrophilic surfaces and materials, Soft Matter 7, 9804 (2011).
[16] F. Geyer, M. D’Acunzi, A. Sharifi-Aghili, A. Saal, N. Gao, A. Kaltbeitzel, T.-F. Sloot, R. Berger, H.-J. Butt, and D. Vollmer, When and how self-cleaning of superhydrophobic surfaces works, Sci. Adv. 6, eaaw9727 (2020).
[17] M. Choi, L. Xiangde, J. Park, D. Choi, J. Heo, M. Chang, C. Lee, and J. Hong, Superhydrophilic coatings with intricate nanostructure based on biotic materials for antifogging and antibiofouling applications, Chem. Eng. J. 309, 463 (2017).
[18] T. Podgorski, J.-M. Flesselles, and L. Limat, Corners, cusps, and pearls in running drops, Phys. Rev. Lett. 87, 036102 (2001).
[19] J. H. Snoeijer, N. Le Grand-Piteira, L. Limat, H. A. Stone, and J. Eggers, Cornered drops and rivulets, Phys. Fluids 19, 042104 (2007).
[20] T. A. Ghezzehei, Constraints for flow regimes on smooth fracture surfaces, Water Resour. Res. 40, W11503 (2004).
[21] C. T. Gabbard and J. B. Bostwick, Asymmetric instability in thin-film flow down a fiber, Phys. Rev. Fluids 6, 034005 (2021).
[22] H. Chen, T. Ran, Y. Gan, J. Zhou, Y. Zhang, L. Zhang, D. Zhang, and L. Jiang, Ultrafast water harvesting and transport in hierarchical microchannels, Nat. Mater. 17, 935 (2018).
[23] C. Duprat, S. Protière, A. Y. Beebe, and H. A. Stone, Wetting of flexible fibre arrays, Nature (London) 482, 510 (2012).
[24] H. G. Andrews, E. A. Eccles, W. C. E. Schofield, and J. P. S. Badyal, Three-dimensional hierarchical structures for fog harvesting, Langmuir 27, 3798 (2011).
[25] H. Bai, T. Zhao, X. Wang, Y. Wu, K. Li, C. Yu, L. Jiang, and M. Cao, Cactus kirigami for efficient fog harvesting: Simplifying a 3D cactus into 2D paper art, J. Mater. Chem. A 8, 13452 (2020).
[26] C. L. Lee, T. S. Chan, A. Carlson, and K. Dalnoki-Veress, Multiple droplets on a conical fiber: Formation, motion, and droplet mergers, Soft Matter 18, 1364 (2022).
[27] B. T. W. Ang, J. Zhang, G. J. Lin, H. Wang, W. S. V. Lee, and J. Xue, Enhancing water harvesting through the cascading effect, ACS Appl. Mater. Interfaces 11, 27464 (2019).
[28] H. Chen, P. Zhang, L. Zhang, H. Liu, Y. Jiang, D. Zhang, Z. Han, and L. Jiang, Continuous directional water transport on the peristome surface of Nepenthes alata, Nature (London) 532, 85 (2016).
[29] V. R. Kern and A. Carlson, Twisted fibers enable drop flow control and enhance fog capture, Proc. Natl. Acad. Sci. USA 121, e2402252121 (2024).
[30] J. Van Hulle, C. Delforge, M. Leonard, E. Follet, and N. Vandewalle, Droplet helical motion on twisted fibers, Langmuir 40, 25413 (2024).
[31] H. K. Khattak, A. Shanzeela, E. Raphael, and K. Dalnoki-Veress, Directed droplet motion along thin fibers, PNAS Nexus 3, 086 (2024).
[32] Z. Pan, F. Weyer, W. G. Pitt, N. Vandewalle, and T. T. Truscott, Drop on a bent fibre, Soft Matter 14, 3724 (2018).
[33] M. Leonard and N. Vandewalle, Grooves spacing govern water retention during condensation, Phys. Rev. Fluids 10, 114001 (2025).
[34] M. Leonard, J. Van Hulle, F. Weyer, D. Terwagne, and N. Vandewalle, Droplets sliding on single and multiple vertical fibers, Phys. Rev. Fluids 8, 103601 (2023).
[35] W. Barthlott and C. Neinhuis, Purity of the sacred lotus, or escape from contamination in biological surfaces, Planta 202, 1 (1997).
[36] Y. Chen, B. He, J. Lee, and N. A. Patankar, Anisotropy in the wetting of rough surfaces, J. Colloid Interface Sci. 281, 458 (2005).
[37] X. Dai, N. Sun, S. O. Nielsen, B. B. Stogin, J. Wang, S. Yang, and T.-S. Wong, Hydrophilic directional slippery rough surfaces for water harvesting, Sci. Adv. 4, eaaq0919 (2018).
[38] P. Comanns, G. Buchberger, A. Buchsbaum, R. Baumgartner, A. Kogler, S. Bauer, and W. Baumgartner, Directional, passive liquid transport: the Texas horned lizard as a model for a biomimetic ‘liquid diode’, J. R. Soc. Interface 12, 20150415 (2015).
[39] S. Dhiman, K. S. Jayaprakash, R. Iqbal, and A. K. Sen, Self-transport and manipulation of aqueous droplets on oil-submerged diverging groove, Langmuir 34, 12359 (2018).
[40] J. Van Hulle and N. Vandewalle, Effect of groove curvature on droplet spreading, Soft Matter 19, 4669 (2023).
[41] P.-B. Bintein, H. Lhuissier, A. Mongruel, L. Royon, and D. Beysens, Grooves accelerate dew shedding, Phys. Rev. Lett. 122, 098005 (2019).
[42] R. Seemann, M. Brinkmann, E. J. Kramer, F. F. Lange, and R. Lipowsky, Wetting morphologies at microstructured surfaces, Proc. Natl. Acad. Sci. USA 102, 1848 (2005).
[43] D. Nakajima, T. Kikuchi, S. Natsui, and R. O. Suzuki, Superhydrophilicity of a nanofiber-covered aluminum surface fabricated via pyrophosphoric acid anodizing, Appl. Surf. Sci. 389, 173 (2016).
[44] L. Zhang, N. Zhao, and J. Xu, Fabrication and application of superhydrophilic surfaces: A review, J. Adhes. Sci. Technol. 28, 769 (2014).
[45] P. Pou-Álvarez, A. Mongruel, N. Lavielle, A. Riveiro, T. Bourouina, L. Royon, J. Pou, and D. Beysens, Efficient autonomous dew water harvesting by laser micropatterning: Superhydrophilic and high emissivity robust grooved metallic surfaces enabling filmwise condensation and radiative cooling, Adv. Mater. 37 2419472 (2025).
[46] S. Dorbolo, The wetting properties of frosted glass, Pap. Phys. 13, 130006 (2021).
[47] D. Quéré, Wetting and roughness, Annu. Rev. Mater. Res. 38, 71 (2008).
[48] S. Shibuichi, T. Onda, N. Satoh, and K. Tsujii, Super water-repellent surfaces resulting from fractal structure, J. Phys. Chem. 100, 19512 (1996).
[49] K. Koch, B. Bhushan, and W. Barthlott, Multifunctional surface structures of plants: An inspiration for biomimetics, Prog. Mater. Sci. 54, 137 (2009).
[50] S. Couvreur and A. Daerr, The role of wetting heterogeneities in the meandering instability of a partial wetting rivulet, EPL (Europhysics Letters) 99, 24004 (2012).
[51] A. Vrij and J. T. G. Overbeek, Rupture of thin liquid films due to spontaneous fluctuations in thickness, J. Am. Chem. Soc. 90, 3074 (1968).
[52] C. G. L. Furmidge, The sliding of liquid drops on solid surfaces and a theory for spray retention, J. Colloid Sci. 17, 309 (1962).
[53] C. Extrand and A. Gent, Retention of liquid drops by solid surfaces, J. Colloid Interface Sci. 138, 431 (1990).
[54] D. Quéré, M.-J. Azzopardi, and L. Delattre, Drops at rest on a tilted plane, Langmuir 14, 2213 (1998).
[55] N. Le grand, A. Daerr, and L. Limat, Shape and motion of drops sliding down an inclined plane, J. Fluid Mech. 541, 293 (2005).
[56] P.-G. d. Gennes, F. Brochard-Wyart, and D. Quéré, Capillarity and Wetting Phenomena: Drops, Bubbles, Pearls, Waves, Nouvelle éd. avec cd ed., Échelles (Belin, Paris, 2013).
[57] A. M. I. Mezic, Stability regimes of thin liquid films, Microscale Thermophys. Eng. 2, 203 (1998).
[58] See Supplemental Material at http://link.aps.org/supplemental/10.1103/d8pb-hr7z for front and side views of the cyclic film rupture, retraction, and droplet release.