Aktualitäten 2019

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Results 41 - 60 of 97.


Transport - Environment - 13.08.2019
Vehicle Emissions: New sensor technology to improve air quality in cities
Vehicle Emissions: New sensor technology to improve air quality in cities
By Christoph Pelzl Researchers at TU Graz are working together with European partners on new possibilities of measuring vehicle emissions. Today, air pollution is one of the biggest challenges facing European cities. As part of the Horizon 2020 research project CARES (City Air Remote Emission Sensing), an international research consortium is working on new contactless exhaust measurement methods that will enable municipalities to take emission-reducing measures.

Life Sciences - 05.08.2019
Symphony of genes
Symphony of genes
One of the most exciting discoveries in genome research was that the last common ancestor of all multicellular animals - which lived about 600 million years ago - already possessed an extremely complex genome. Many of the ancestral genes can still be found in modern day species (e.g., human). However, it has long been unclear whether the arrangement of these genes in the genome also had a certain function.

Physics - Materials Science - 01.08.2019
From Japanese basket weaving art to nanotechnology with ion beams
From Japanese basket weaving art to nanotechnology with ion beams
Ultradense arrays of magnetic quanta in high-temperature superconductors The properties of high-temperature superconductors can be tailored by the introduction of artificial defects. An international research team around physicist Wolfgang Lang at the University of Vienna has succeeded in producing the world's densest complex nano arrays for anchoring flux quanta, the fluxons.

Materials Science - Physics - 31.07.2019
'Frustrated' ions for solid-state batteries
’Frustrated’ ions for solid-state batteries
By Susanne Eigner An international team involving researchers from TU Graz has published research into a new solid-state electrolyte for batteries. The material exhibits one of the fastest lithium mobility processes ever measured in a lithium-ion conductor. Solid-state batteries are currently the most promising technology helping to pave the way for the breakthrough of electric mobility.

Physics - Chemistry - 25.07.2019
How to trick electrons to see the hidden face of crystals
How to trick electrons to see the hidden face of crystals
Researchers try a trick for complete 3D analysis of submicron crystals The 3D analysis of crystal structures requires a full 3D view of the crystals. Crystals as small as powder, with edges less than one micrometer, can only be analysed with electron radiation. With electron crystallography, a full 360-degree view of a single crystal is technically impossible.

Physics - 23.07.2019
When the pigeon and the letter do not travel together
When the pigeon and the letter do not travel together
In standard communication the pigeon always carries the message; the information is linked to a physical entity/particle. Counter to intuition, in a new counterfactual communication protocol published in NPJ Quantum Information, scientists from the University of Vienna, the University of Cambridge and the MIT have experimentally demonstrated that in quantum mechanics this is not always true, thereby contradicting a crucial premise of communication theory.

Architecture - Environment - 18.07.2019
Digital design and construction with wood, clay and system
Digital design and construction with wood, clay and system
By Ute Wiedner Is computer-aided design and construction with natural materials a contradiction in terms? Not for TU Graz architect Urs Hirschberg, who sees digital planning as an opportunity for sustainable architecture. News+Stories: You conduct research in the field of digital construction, or to put it more precisely, "augmented architecture".

Life Sciences - 11.07.2019
Scientists gain new insights into the mechanisms of cell division
Scientists gain new insights into the mechanisms of cell division
Mitosis is the process by which the genetic information encoded on chromosomes is equally distributed to two daughter cells, a fundamental feature of all life on earth. Scientists led by Alexander Dammermann at the Max Perutz Labs, a joint venture of the University of Vienna and the Medical University of Vienna, now examine how centrioles contribute to this process.

Physics - Computer Science - 10.07.2019
Puzzling on a quantum chessboard
Puzzling on a quantum chessboard
Physicists at the University of Innsbruck are proposing a new model that could demonstrate the supremacy of quantum computers over classical supercomputers in solving optimization problems. In a recent paper, they demonstrate that just a few quantum particles would be sufficient to solve the mathematically difficult N-queens problem in chess even for large chess boards.

Life Sciences - Physics - 09.07.2019
Tungsten as interstellar radiation shielding?
Tungsten as interstellar radiation shielding?
Metallophilic microorganisms could benefit from the heavy metal in harsh survival conditions A boiling point of 5900 degrees Celsius and diamond-like hardness in combination with carbon: tungsten is the heaviest metal, yet has biological functions - especially in heat-loving microorganisms. A team led by Tetyana Milojevic from the Faculty of Chemistry at the University of Vienna report for the first time rare microbial-tungsten interactions at the nanometer range.

Physics - 09.07.2019
A connection between quantum correlations and spacetime geometry
A connection between quantum correlations and spacetime geometry
Researchers of the Academy explore the consequences of locality for measurements distributed in spacetime. Their article has now been published in the Nature journal "Quantum Information". Locality is a fundamental principle behind all physical interactions. It says that each physical system can only interact with other systems in its immediate vicinity, so that interactions between two distant objects must be mediated by an intermediary.

Health - 04.07.2019
The ancestor of the great white shark
The ancestor of the great white shark
The unique tooth structure of the great white shark gives new insights into its origin Mackerel sharks (Lamniformes) are a group consisting of some of the most iconic sharks we know, including the mako shark (the fastest shark in the world), the infamous great white shark and Megalodon, the biggest predatory shark that has ever roamed the world's oceans.

Physics - Electroengineering - 26.06.2019
Researchers observe shortest magnetic event
Researchers observe shortest magnetic event
By Christoph Pelzl For the first time ever, physicists have been able to change the magnetic moment of a material using a light wave within one femtosecond - the fastest magnetic event ever observed. Additional at the end of the text Electronic properties of materials can be directly influenced via light absorption in under a femtosecond (10 -15 seconds), which is regarded as the limit of the maximum achievable speed of electronic circuits.

Physics - Materials Science - 25.06.2019
New findings could lead to cheaper solar cells
New findings could lead to cheaper solar cells
Effective atomic interactions in complex materials picked up by on-the-fly machine-learning At the atomic scale materials can show a rich palette of dynamic behaviour, which directly affects the physical properties of these materials. For many years, it has been a dream to describe these dynamics in complex materials at various temperatures using computer simulations.

Physics - 21.06.2019
A further step towards reliable quantum computation
A further step towards reliable quantum computation
Physicists develop new method to prove quantum entanglement One of the essential features required for the realization of a quantum computer is quantum entanglement. A team of physicists from the University of Vienna and the Austrian Academy of Sciences (ÖAW) introduces a novel technique to detect entanglement even in large-scale quantum systems with unprecedented efficiency.

Health - Life Sciences - 18.06.2019
Antidepressants can reduce the empathic empathy
Antidepressants can reduce the empathic empathy
Antidepressant treatment, not only depression per se, can lead to reductions in behavioral and neural responses to pain empathy Depression is a disorder that often comes along with strong impairments of social functioning. Until recently, researchers assumed that acute episodes of depression also impair empathy, an essential skill for successful social interactions and understanding others.

Chemistry - Physics - 14.06.2019
Fuel Cells - Materials and Methods for Prolonging Lifetime
Fuel Cells - Materials and Methods for Prolonging Lifetime
By Katharina Kocher, Kurt Mayer, Bernhard Marius, Bernd Cermenek, Viktor Hacker, Sigrid Wolf Finding the optimal combination of high performance and durability is a key factor in the realisation of future sustainable energy production systems. The research at the Institute of Chemical Engineering and Environmental Technology focusses on the development of highly innovative materials and efficient operation strategies for fuel cells.

Environment - Innovation - 14.06.2019
Advanced Control for Sustainable Energy Systems
Advanced Control for Sustainable Energy Systems
By Martin Horn, Markus Gölles The growth in renewable energy technologies will render future energy systems more complex and volatile. So advanced control strategies are required to ensure their optimal operation. For this reason, the Bioenergy 2020+ competence centre established a working group focusing on automation and control in close cooperation with the Institute of Automation and Control at TU Graz.

Psychology - 13.06.2019
Is every type of social support helpful?
Is every type of social support helpful?
New neuroscience research suggests support-dependent modulation of responses to social exclusion Social support can change the way we perceive an unpleasant situation, but some types of support seem more effective than others. An international team of researchers led by Giorgia Silani from the Faculty of Psychology at the University of Vienna, has shown that negative feelings and brain responses are modulated by the type of social support we receive after being socially excluded.

Physics - Electroengineering - 13.06.2019
Radiation Damage in Microelectronics
Radiation Damage in Microelectronics
By Alicja Michalowska-Forsyth, Varvara Bezhenova Reliability is a wide-ranging subject in microelectronics, covering responses to different kinds of stress as well as measures to increase devices' tolerance against them. This includes ionising radiation stress, which affects device characteristics, leading to circuit degradation.