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Surprising turbulence: HZDR team comes across unexpected flow behavior in liquid metals

Implications for battery technology

24-May-2022

Some metals are in liquid form, the prime example being mercury. But there are also enormous quantities of liquid metal in the Earth’s core, where temperatures are so high that part of the iron is molten and undergoes complex flows. A team at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has ...

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Mini-fuel cell generates electricity using the body's sugar

Glucose energy source for medicinal implants and sensors

24-May-2022

Glucose is the most important energy source in the human body. Scientists at the Technical University of Munich (TUM) and the Massachusetts Institute of Technology (MIT) now want to use the body's sugar as an energy source for medicinal implants. They have developed a glucose fuel cell which ...

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Spin-off develops and distributes solutions for high-precision multi-material 3D printing

The technology forms a "missing link" for a wide variety of new application areas

24-May-2022

In the framework of an EXIST Transfer of Research project, the HETEROMERGE team is developing a technology for automated material exchange for high-precision 3D printers toward market maturity, enabling multi-material printing even in the area of extremely small structure sizes of down to 100 ...

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Researchers develop a membrane that stabilises lithium batteries

"Lithium is just like an unruly child”

24-May-2022

For many people, battery-powered electronic devices like cell phones, laptops, and even electric vehicles, are now a necessity. However, these devices typically require charging at least once a day. Increasing the length of time between charges requires the development of batteries that can store ...

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Halogens emitted from oceans amplify global warming of methane in the atmosphere

Iodine, bromine and chlorine transferred from the ocean have increased the lifetime and greenhouse effect of this gas by 6% to 9% over the century.

23-May-2022

An international team, led by researchers from the Spanish National Research Council (CSIC), has performed climate-related chemistry simulations to assess the impact of oceanic emissions of halogenated compounds (iodine, bromine and chlorine) on methane in the atmosphere, the second most ...

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Powering a microprocessor by photosynthesis

Algae-powered computing: Scientists create reliable and renewable biological photovoltaic cell

23-May-2022

Researchers have used a widespread species of blue-green algae to power a microprocessor continuously for a year - and counting - using nothing but ambient light and water. Their system has potential as a reliable and renewable way to power small devices. The system, comparable in size to an AA ...

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Charging a green future: Latest advancement in lithium-ion batteries could make them ubiquitous

Scientists add a specific polymer composite to the silicon anode of lithium-ion batteries, which significantly increasing their lifetime

23-May-2022

Think of a battery, and the term lithium-ion most likely comes to mind. Because of its light weight, high-energy density, and ability to deliver three times as much current as other types of rechargeable batteries, lithium-ion batteries (LIBs) have become the dominant type of battery in both ...

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Light-Controlled Reactions at the Nanoscale

Physicists used for the first time laser light to control the location of light-induced reactions on the surface of nanoparticles

23-May-2022

Controlling strong electromagnetic fields on nanoparticles is the key to triggering targeted molecular reactions on their surfaces. Such control over strong fields is achieved via laser light. Although laser-induced formation and breaking of molecular bonds on nanoparticle surfaces have been ...

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Chemical triad forms seeds for clouds

Synergistic particle formation in the upper troposphere by nitric acid, sulfuric acid and ammonia

20-May-2022

Atmospheric aerosol particles are needed as seeds to form clouds, but the controlling processes are not fully understood. By combining experiments in the CERN cloud cham-ber and computer modelling, a team of international researchers, including scientists from the Max Planck Institute for ...

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Ions and Rydberg-atoms: a bond between David and Goliath

Anovel binding mechanism between small and giagantic particles detected

20-May-2022

Researchers of the University of Stuttgart have verified a novel binding mechanism forming a molecule between a tiny charged particle and in atomic measures gigantic Rydberg atom. The scientists could observe spatially resolved the molecule with the help of a self-build ion microscope. The ...

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