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 E-Mail 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 re...

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 limi...

Regular virus tests can curb infection rates Federal Laboratory for Materials Testing and Research Dübendorf, St. Gallen und Thun, 07.05.2021 - Since February 2021, the canton of Grisons is using saliva-based PCR mass testing within its mobile workforce as a potential means to contain the COVID-19 pandemic and reduce infection rates. Empa researchers are now leading the analysis of data from the first eight weeks of the testing regime. They observed a reduction in the incidence rate between 20 and 50%, depending on the business sector, and a noticeable reduction in...

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Travels in Geology: To the top of Europe: Jungfrau, Switzerland by Naomi Lubick Tuesday, June 12, 2018 The 4,158-meter-tall Jungfrau in the Bernese Alps, part of the western Swiss Alps. Credit: ©Wengen-Muerren-Lauterbrunnental AG, www.swiss-image.ch Intrepid visitors can take at least two paths to the top of Europe: an excruciating and dangerous ascent up the north face of the Eiger to the top of the nearly 4-kilometer-tall peak, or a comfortable (if steep) train ride through that mountain that allows less-athletic visitors to reach the neighboring Jungfrau. Most travelers choose t...