The dark side of transmission X-ray microscopy

Researchers develop a novel method to make scattered light usable for X-ray imaging in the nanometer range

20-Jun-2024 - X-ray microscopes are essential for examining components and materials because they can be used to detect changes and details in the material. Until now, however, it has been difficult to detect small cracks or tiny inclusions in the images. By developing a new method, researchers at the ...

New simple method for measuring the state of lithium-ion batteries

New technique for measuring the charge state, defects, and capacity losses of rechargeable batteries using atomic magnetometry

13-May-2020 - Rechargeable batteries are at the heart of many new technologies involving, for example, the increased use of renewable energies. More specifically, they are employed to power electric vehicles, cell phones, and laptops. Scientists at Johannes Gutenberg University Mainz (JGU) and the Helmholtz ...

Soft magnetic material characterizations get a harder look

15-Nov-2017 - In motors, generators and similar electric machines, the electrical current that powers them generates magnetic fields that magnetize some of the metallic components. Choosing the right magnetic material is crucial for designing efficient machines, so researchers from the Institute of Electrical ...

New procedures to authenticate foods as a step towards standardisation

06-Dec-2016 - Whether it is olive oil from Apulia, Pata Negra ham from Spain or 12-year-old single-malt whisky from the Scottish Orkney Islands - all these products are characterised by their quality and their high price. These properties also make a number of other foodstuffs including fish, honey and meat ...

New lasers for police and petrochemistry

22-Mar-2016 - Laser to replace breathalyser – this principle could be the future of traffic controls: Physicists of the University of Würzburg have developed a laser that can be used to measure alcohol in the driver's cab. But the new laser can do much more. Is this the future of traffic controls? A special ...

Brilliant counterfeit protection

08-Jun-2010 - Counterfeit products create losses in the billions each year. Beside the economic damages, all too often additional risks arise from the poor materials and shoddy workmanship of »knock-off artists«. Yet with the aid of fluorescing dyes, materials can be individually tagged and identified with ...