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Showing 1–32 of 32 results
Advanced filters: Author: David Quéré Clear advanced filters

  • Trapped films of air known as plastrons are promising for underwater engineering but typically have short lifetimes. Here, aerophilic titanium alloy surfaces are developed with thermodynamically stabilized plastrons for antifouling applications.

    • Alexander B. Tesler
    • Stefan Kolle
    • Wolfgang H. Goldmann
    Research
    Nature Materials
    Volume: 22, P: 1548-1555

  • The behaviour of water impacting on surfaces is crucial to many applications, including anti-icings and self-cleaning. Here, Gauthier et al.show that the contact time of drops on a straight wire decreases with impact speed in a step manner due to the fragmentation of water in evenly divided subunits.

    • Anaïs Gauthier
    • Sean Symon
    • David Quéré
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • Ocean uptake of carbon dioxide impacts the climate, but flux estimates from surface measurements have not been corrected for temperature differences between surface and water sampling depth. Making that correction, the authors find previous estimates for ocean uptake have been substantially underestimated.

    • Andrew J. Watson
    • Ute Schuster
    • Lonneke Goddijn-Murphy
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-6

    • Pascale Aussillous
    • David Quéré
    Research
    Nature
    Volume: 411, P: 924-927

  • A liquid droplet placed on a hot surface can levitate, and moreover, self-propel if the surface is textured. Solids can similarly self-propel, which means that the properties of the liquid are irrelevant. Rather, it is the vapour beneath the drop that does the propelling.

    • Guillaume Lagubeau
    • Marie Le Merrer
    • David Quéré
    Research
    Nature Physics
    Volume: 7, P: 395-398

  • When cooled in water from high temperature, superhydrophobic surfaces stabilize the vapour layer on them, thus avoiding the typical vapour explosions associated with the nucleation of bubbles.

    • David Quéré
    News & Views
    Nature Materials
    Volume: 11, P: 915-916

  • A transverse wind is shown to be capable of inciting a droplet to move along a horizontal fibre due to the presence of an asymmetric wake behind the droplet. Such a perturbation can even induce repulsive interactions between droplets.

    • Pierre-Brice Bintein
    • Hadrien Bense
    • David Quéré
    Research
    Nature Physics
    Volume: 15, P: 1027-1032

  • Water drops placed at rest on flat, hot solids are found to rotate and spontaneously propel themselves in the direction of their rotation. The effect is due to symmetry breaking of the flow inside the drop, which couples rotation to translation.

    • Ambre Bouillant
    • Timothée Mouterde
    • David Quéré
    Research
    Nature Physics
    Volume: 14, P: 1188-1192

  • COVID-19 pandemic lockdowns have altered global energy demands. Using government confinement policies and activity data, daily CO2 emissions have decreased by ~17% to early April 2020 against 2019 levels; annual emissions could be down by 7% (4%) if normality returns by year end (mid-June).

    • Corinne Le Quéré
    • Robert B. Jackson
    • Glen P. Peters
    Research
    Nature Climate Change
    Volume: 10, P: 647-653

  • Spontaneous jumping of condensing droplets holds promise for antifogging, but is generally inhibited for microdroplets. Lecointre et al. show that antifogging ability of cone structures at nanoscales is universal over a large range of cone sizes, shapes, apex angles and even truncation.

    • Pierre Lecointre
    • Sophia Laney
    • David Quéré
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • It has previously been reported that hot drops impacting on a colder surface can lead to loss of surface hydrophobicity unless the surface features are very small. Here the authors find that both small and large features but not intermediate ones are able to preserve hydrophobicity.

    • Timothée Mouterde
    • Pierre Lecointre
    • David Quéré
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • The antifogging properties of a structured surface can be considerably enhanced if the feature size is small enough and if the feature shapes are cones rather than cylinders.

    • Timothée Mouterde
    • Gaëlle Lehoucq
    • David Quéré
    Research
    Nature Materials
    Volume: 16, P: 658-663

  • When a drop of liquid plummets onto a surface, the result is a splash — but not it seems if the process occurs at reduced atmospheric pressure. Here, perhaps, is a way to tune splash behaviour for practical ends.

    • David Quéré
    News & Views
    Nature
    Volume: 435, P: 1168-1169

  • A non-contact atomic force microscopy technique and a new model offer the solution to an old question. Why are microdroplets more wetting than macrodroplets? The answer lies on the surface.

    • David Quéré
    News & Views
    Nature Materials
    Volume: 3, P: 79-80

  • Looking through a window on a rainy day may generate feelings other than melancholy. Curiosity, for example: isn't it remarkable that water droplets stick to the pane rather than sliding down?

    • David Quéré
    News & Views
    Nature Materials
    Volume: 1, P: 14-15

  • All we expect when a drop lands on a surface is to see it either spread if the surface is wettable, or sit undeformed if the surface is non-wettable. However, if the surface is hot and is textured with a sawtooth profile, we will gape at a drop springing in self-propelled motion.

    • David Quéré
    • Armand Ajdari
    News & Views
    Nature Materials
    Volume: 5, P: 429-430

  • Methane is an important greenhouse gas, responsible for about 20% of the warming induced by long-lived greenhouse gases since pre-industrial times. A compilation of observations and results from chemical transport, ecosystem and climate chemistry models suggests that a rise in wetland and fossil fuel emissions probably accounts for the renewed increase in global methane levels after 2006.

    • Stefanie Kirschke
    • Philippe Bousquet
    • Guang Zeng
    Reviews
    Nature Geoscience
    Volume: 6, P: 813-823

  • Anthropogenic emissions of ozone-depleting gases cause marked changes in surface climate, in addition to rising levels of anthropogenic greenhouse gases. A Review of the influence of the Antarctic ozone hole on Southern Hemisphere surface climate finds that its signature closely resembles the negative phase of the southern annular mode.

    • David W. J. Thompson
    • Susan Solomon
    • David J. Karoly
    Reviews
    Nature Geoscience
    Volume: 4, P: 741-749