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IMAGE: Researchers combined perovskite nanocubes - tiny crystals with useful electrical or optical properties - with spherical nanoparticles to form a regular, repeating structure called a superlattice. Some of these structures. view more
Credit: Image courtesy of Maksym Kovalenko and Ihor Cherniukh/ETH Zürich, the Swiss Federal Institute of Technology
AMES, Iowa - Researchers have developed new types of materials that combines two or three types of nanoparticles into structures that display fundamental new properties such as superfluorescence. The whole goal of this research is to make new materials with new properties and/or exotic new structures, said Alex Travesset, an Iowa State University professor of physics and astronomy and an associate scientist for the U.S. Department of Energy s Ames Laboratory. Those materials are made of very tiny materials, nanoparticles, and lead to properties not shared by more traditional materials made of atoms and molec
Ressourcenschonende Betonherstellung mit Müllverbrennungsaschen
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With a pinch of rubber
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Eco-energy without limits? Federal Laboratory for Materials Testing and Research Dübendorf, St. Gallen und Thun, 11.05.2021 - Even a sustainable circular economy doesn t run without energy. Solar panels and wind farms, tidal and geothermal power plants: They all divert energy from energy fluxes that had remained untapped since time immemorial. The question is therefore: What part of these energy fluxes can mankind use for its own purposes without damaging the Earth s energy system? Empa researchers have developed an approach to estimate this.
The Earth has its limits. We are becoming more and more aware of this in view of the climate crisis, the increasing extinction of species and the littering of the oceans (and even space) as a result of human activity. In response, governments and institutions the world over are championing the concept of a circular economy. By closing material cycles, the environmental impacts associated with the extraction of ra
Historische Titelseiten: Der große Schwindel um Hitlers Tagebücher
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