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The quantum refrigerator

Computer simulations show how quantum fields could be used to break low-temperature records

30-Jul-2021

At first glance, heat and cold don't have much to do with quantum physics. A single atom is neither hot nor cold. Temperature can only be defined for objects that consist of many particles. But at TU Wien, in collaboration with Freie Universität Berlin, Nanyang Technological University in ...

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Fastest sensor for heat flow tested

Relevant for alternative fuels and hydrogen

30-Jul-2021

A team of researchers from the Faculty of Mechanical Engineering at Landshut University of Applied Sciences has developed a new method to measure the heat flow in combustion engines faster than before. The technique could help reduce pollutant emissions in the future. It is also relevant for the ...

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How diphosphorus can be used for chemical reactions

Team from Göttingen and Frankfurt succeeds in stabilisation

29-Jul-2021

Chemical syntheses of new active ingredients or functional materials are based on the use of molecular building blocks. These must be simultaneously reactive but also stable enough to enable targeted incorporation into larger molecules. A research team from the University of Göttingen and the ...

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Infrared in the heel

A chromium complex as NIR-II emitter

29-Jul-2021

Substances that emit light in the near infrared (NIR) range are needed for a wide variety of applications, from fibre-optic telecommunications to imaging techniques for biomedicine. A Swiss research team has now for the first time developed a chromium complex that emits light in the coveted ...

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Lead-free perovskite solar cells

How fluorine additives improve quality

29-Jul-2021

Tin halide perovskites are currently considered the best alternative to lead-containing analogues, but are still significantly less efficient and stable compared to them. Now, a team led by Prof. Antonio Abate from HZB has analysed the chemical processes in the perovskite precursor solution and ...

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The memory of folds

What happens when soft materials are compressed strongly?

28-Jul-2021

Researchers from the Max Planck Institute for Dynamic and Self-Organization, the University of Twente and Cornell University now revealed the morphology of creases created upon folding at micrometer scale. They revealed a dual folding mechanism driven by capillary forces, similar to wetting ...

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Artificial intelligence: Swarm learning decodes biomolecules

28-Jul-2021

They are often referred to as the "building blocks of life": Biomolecules. To understand and use their function in the body, one must know their structure. A complex and sometimes imprecise matter. This is where the new method developed at the University of Duisburg-Essen (UDE) together with ...

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Random effects make it difficult to optimise antibiotic therapy

Research team from the Kiel Evolution Center investigates the role of a reduction in bacterial population size and resulting random effects in the evolution of antibiotic resistance

28-Jul-2021

Antibiotic-resistant pathogens have become one of the greatest threats to public health. In just a few years, previously harmless bacterial infections may no longer be treatable and may once again become a leading non-natural cause of death, as they were before the antibiotic era began until the ...

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Resource-efficient and cost-effective wear-resistant coatings thanks to new hybrid coating process

Hardness increases of up to 30 percent

28-Jul-2021

A team of researchers at the Fraunhofer Institute for Production Technology IPT in Aachen has developed a hybrid additive manufacturing process that combines wire-based and powder-based laser cladding (LMD). The new process can be used to apply protective coatings of high-strength tool steel to ...

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New US and German collaboration aims to produce green hydrogen more efficiently

NSF-DFG EChem Award Announcement

27-Jul-2021

Through a new award program, the U.S. National Science Foundation and the Deutsche Forschungsgemeinschaft (German Research Foundation, DFG) have joined forces to award the University of Illinois Urbana-Champaign and Technical University of Darmstadt a three-year $720,000 research grant ($500,000 ...

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