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Some surfaces are wetted by water, others are water-repellent. TU Wien (Vienna), KU Leuven and the University of Zürich have discovered a robust surface whose adhesive and wetting properties can be switched using electricity. This remarkable result is featured on the cover of Nature magazine.
To investigate the wetting of the surface, an instrument was built specially for this purpose, in which a liquid drop is brought on the surface through a very thin glass tube. The drop is made bigger and smaller while at the same time its shape is recorded. Whether the drop shape is flat or more rounded depends on the properties of the surface.
Scale separation: breaking down unsolvable problems into solvable ones
Exact solutions are often impossible in materials physics. In an international research cooperation involving TU Wien and Saitama University in Japan a technique has now been developed to make unsolvable quantum calculations solvable on certain scales. In physics, one often has to deal with ... more
Better superconductors with palladium
A Goldilocks material that might be just right: the precious metal palladium could be used to make superconductors that remain superconducting even at relatively high temperatures, show calculations by TU Wien. It is one of the most exciting races in modern physics: How can we produce the b ... more
Clean drinking water is essential. Therefore, an international research team led by Dominik Eder has now shown how groundwater can be efficiently freed from pollutants such as glyphosate. Contaminated drinking water poses a major threat to our health. However, various pollutants such as pes ... more
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