news 2017


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Results 41 - 60 of 65.


Physics - Mechanical Engineering - 10.05.2017
Unbreakable quantum entanglement
Unbreakable quantum entanglement
Einstein's "spooky action at a distance" persists even at high accelerations, researchers of the Austrian Academy of Sciences and the University of Vienna were able to show in a new experiment. A source of entangled photon pairs was exposed to massive stress: The photons' entanglement survived the drop in a fall tower as well as 30 times the Earth's gravitational acceleration in a centrifuge.

Environment - Innovation / Technology - 10.05.2017
Natural gas facilities with no CO2 emissions
Natural gas facilities with no CO2 emissions
How can we burn natural gas without releasing CO2 into the air? This feat is achieved using a special combustion method that TU Wien has been researching for years: chemical looping combustion (CLC). In this process, CO2 can be isolated during combustion without having to use any additional energy, which means it can then go on to be stored.

Life Sciences - Computer Science / Telecom - 09.05.2017
A new tool to decipher evolutionary biology
A new tool to decipher evolutionary biology
A new bioinformatics tool to compare genome data has been developed by teams from the Max F. Perutz Laboratories, a joint venture of the University of Vienna and the Medical University of Vienna, together with researchers from Australia and Canada. The program called ‘ModelFinder' uses a fast algorithm and allows previously not attainable new insights into evolution.

Physics - Chemistry - 08.05.2017
Chemically tailored Graphene
Chemically tailored Graphene
Graphene is considered as one of the most promising new materials. However, the systematic insertion of chemically bound atoms and molecules to control its properties is still a major challenge. Now, for the first time, scientists of the Friedrich-Alexander-Universität Erlangen-Nürnberg, the University of Vienna, the Freie Universität Berlin and the University Yachay Tech in Ecuador succeeded in precisely verifying the spectral fingerprint of such compounds in both theory and experiment.

Environment - Administration - 04.05.2017
Austrian research institutions launch major initiative to assess the effects of extreme climatic events on the environment
Austrian research institutions launch major initiative to assess the effects of extreme climatic events on the environment
Under the leadership of the Environmental Sciences Research Network of the University of Vienna, the key national actors in long-term ecological research (LTER) join forces to establish a new infrastructure for the collection of environmental data. Funded by the Austrian Research Promotion Agency (FFG), the project aims to collect data on the effects of extreme climatic events on the carbon, water and nitrogen cycle in ecosystems by establishing six cutting-edge measurement sites.

Physics - 21.04.2017
Quantum mechanics is complex enough, for now
Quantum mechanics is complex enough, for now
Physicists have searched for deviations from standard quantum mechanics, testing whether quantum mechanics requires a more complex set of mathematical rules. To do so a research team led by Philip Walther at the University of Vienna designed a new photonic experiment using exotic metamaterials, which were fabricated at the University of California Berkeley.

Innovation / Technology - Chemistry - 18.04.2017
Hand scanner measures bitumen quality
Hand scanner measures bitumen quality
Asphalt does not last forever. At some point, it ages and starts to crumble. This has to do with the bitumen, the sticky binding agent, which holds and keeps the rock content in the asphalt. Bitumen is a petroleum product consisting of several organic components, which undergo a chemical change over time.

Physics - Innovation / Technology - 12.04.2017
Microprocessors based on a layer of just three atoms
Microprocessors based on a layer of just three atoms
Two-dimensional materials, or 2D materials for short, are extremely versatile, although - or often more precisely because - they are made up of just one or a few layers of atoms. Graphene is the best-known 2D material. Molybdenum disulphide (a layer consisting of molybdenum and sulphur atoms that is three-atoms thick) also falls in this category, although, unlike graphene, it has semiconductor properties.

Psychology - Life Sciences - 11.04.2017
Stress can increase empathy
Stress can increase empathy
Acute psychosocial stress leads to increased empathy and prosocial behavior. An international team of researchers led by Claus Lamm from the University of Vienna investigated the effects of stress on neural mechanisms and tested the relationship between empathy and prosocial behavior in a new experiment.

Physics - Innovation / Technology - 10.04.2017
Diamonds coupled using quantum physics
Diamonds coupled using quantum physics
Diamonds with minute flaws could play a crucial role in the future of quantum technology. For some time now, researchers at TU Wien have been studying the quantum properties of such diamonds, but only now have they succeeded in coupling the specific defects in two such diamonds with one another. This is an important prerequisite for the development of new applications, such as highly sensitive sensors and switches for quantum computers.

Physics - Electroengineering - 29.03.2017
Quantum Communication: How to Outwit Noise
Quantum Communication: How to Outwit Noise
Nowadays we communicate via radio signals and send electrical pulses through long cables. This could change soon, however: Scientists have been working intensely on developing methods for quantum information transfer. This would enable tap-proof data transfer or, one day, even the linking of quantum computers.

Life Sciences - Chemistry - 28.03.2017
How does Oxygen get into a Fuel Cell?
How does Oxygen get into a Fuel Cell?
In order for a fuel cell to work, it needs an oxidising agent. TU Wien has now found a way to explain why oxygen does not always enter fuel cells effectively, rendering them unusable. Fuel cells use a simple chemical reaction, such as the combination of oxygen and hydrogen to form water, to generate electricity.

Physics - 24.03.2017
In a quantum race everyone is both a winner and a loser
In a quantum race everyone is both a winner and a loser
Our understanding of the world is mostly built on basic perceptions, such as that events follow each other in a well-defined order. Such definite orders are required in the macroscopic world, for which the laws of classical physics apply. However, in the quantum world orders can be ‘scrambled'.

Life Sciences - 23.03.2017
Ravens: Non-breeders live in highly dynamic social groups
Ravens: Non-breeders live in highly dynamic social groups
Ravens have impressive cognitive skills when interacting with conspecifics - comparable to many primates, whose social intelligence has been related to their life in groups. An international collaboration of researchers led by Thomas Bugnyar, Professor at the Department of Cognitive Biology, University of Vienna, could uncover for the first time the group dynamics of non-breeding ravens.

Health - Life Sciences - 21.03.2017
How do metals interact with DNA?
How do metals interact with DNA?
Since a couple of decades, metal-containing drugs have been successfully used to fight against certain types of cancer. The lack of knowledge about the underlying molecular mechanisms slows down the search for new and more efficient chemotherapeutic agents. An international team of scientists, led by Leticia González from the University of Vienna and Jacinto Sá from the Uppsala University, have developed a protocol that is able to detect how metal-based drugs interact with DNA.

Physics - 14.03.2017
Why do people switch their language?
Why do people switch their language?
Due to increasing globalization, the linguistic landscape of our world is changing; many people give up use of one language in favour of another, a phenomenon called language shift. Katharina Prochazka and Gero Vogl from the University of Vienna have studied why language shift happens using the example of southern Carinthia, Austria.

Physics - Chemistry - 13.03.2017
Using molecules to detune nanodrums
Using molecules to detune nanodrums
The analysis of the minutest quantities of pharmaceutical samples is of crucial importance for the research and synthesis of new medications. At the moment it represents a technical challenge, but a new infrared method of measurement developed by TU Wien in collaboration with two research groups from Copenhagen may remedy this.

Physics - 09.03.2017
"Blurred Times" in a Quantum World
When measuring time, we normally assume that clocks do not affect space and time, and that time can be measured with infinite accuracy at nearby points in space. However, combining quantum mechanics and Einstein's theory of general relativity theoretical physicists from the University of Vienna and the Austrian Academy of Sciences have demonstrated a fundamental limitation for our ability to measure time.

Mathematics - 27.02.2017
Who can find the fish that makes the best sound?
Who can find the fish that makes the best sound?
Using new computer algorithms, it is possible to adjust specific properties of three-dimensional objects, such as the sounds they produce or how stable they are. The thickness of a piece of metal made into different animal shapes - including a giraffe and a fish - is adjusted by using a computer algorithm in such a way that a specific sound spectrum is exhibited when the objects are struck.

Physics - Life Sciences - 13.02.2017
New record achieved in terahertz pulse generation
New record achieved in terahertz pulse generation
A group of scientists from TU Wien and ETH Zurich have succeeded in their attempts to generate ultrashort terahertz light pulses.

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