### News in Brief

Materials Science - Dec 14

Exciton Phenomena in Functional Materials from Many-Body Perturbation Theory

Exciton Phenomena in Functional Materials from Many-Body Perturbation Theory

Social Sciences - Dec 14

Brown Bag: Anthropological Explorations into the Financial Dimensions of Europeanization in Bosnia and Herzegowina

Brown Bag: Anthropological Explorations into the Financial Dimensions of Europeanization in Bosnia and Herzegowina

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## Mathematics

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**1**-**15**of**15**. String Art - from the Hand of a Robot

String art is a technique for the creation of visual artwork where images emerge from a set of strings that are spanned between pins. Now, at TU Wien (Vienna) this work can be delegated to a robot - an example of a complex task that digital fabrication can solve. The basic idea of string art is simple: hooks distributed on a frame are connected by strings back and forth until they fuse to a perceptible image.

String art is a technique for the creation of visual artwork where images emerge from a set of strings that are spanned between pins. Now, at TU Wien (Vienna) this work can be delegated to a robot - an example of a complex task that digital fabrication can solve. The basic idea of string art is simple: hooks distributed on a frame are connected by strings back and forth until they fuse to a perceptible image.

Digital penicillin production

TU Wien and Sandoz GmbH have successfully implemented a real-time computer simulation of the complex growth behaviour of penicillin producing organisms. This simulation now helps to keep the production process under control. For thousands of years, micro-organisms have been used to facilitate chemical reactions - in beer brewing, for example.

TU Wien and Sandoz GmbH have successfully implemented a real-time computer simulation of the complex growth behaviour of penicillin producing organisms. This simulation now helps to keep the production process under control. For thousands of years, micro-organisms have been used to facilitate chemical reactions - in beer brewing, for example.

Indian Sacred Texts and the Logic of Computer Ethics

Can we teach ethical behaviour to machines' Computer Scientists in Vienna are studying ancient Sanskrit texts and using the tools of mathematical logic to describe ethical rules. The Indian sacred texts of the Vedas have been studied for millennia. But now, for the first time in history, computer scientists in Vienna analyse them by applying the methods of mathematical logic.

Can we teach ethical behaviour to machines' Computer Scientists in Vienna are studying ancient Sanskrit texts and using the tools of mathematical logic to describe ethical rules. The Indian sacred texts of the Vedas have been studied for millennia. But now, for the first time in history, computer scientists in Vienna analyse them by applying the methods of mathematical logic.

Hidden bridge between quantum experiments and graph theory uncovered using Melvin

An answer to a quantum-physical question provided by the algorithm Melvin has uncovered a hidden link between quantum experiments and the mathematical field of Graph Theory. Researchers from the Austrian Academy of Sciences and the University of Vienna found the deep connection between experimental quantum physics and this mathematical theory in the study of Melvin's unusual solutions, which lies beyond human intuition.

An answer to a quantum-physical question provided by the algorithm Melvin has uncovered a hidden link between quantum experiments and the mathematical field of Graph Theory. Researchers from the Austrian Academy of Sciences and the University of Vienna found the deep connection between experimental quantum physics and this mathematical theory in the study of Melvin's unusual solutions, which lies beyond human intuition.

The Beam of Invisibility

A new cloaking technology has been developed at TU Wien: a special kind of material is irradiated from above in such a way that another beam of light can pass completely uninhibited. The material is irradiated with a specially designed pattern, the wave from the left can pass through the object completely unperturbed.

A new cloaking technology has been developed at TU Wien: a special kind of material is irradiated from above in such a way that another beam of light can pass completely uninhibited. The material is irradiated with a specially designed pattern, the wave from the left can pass through the object completely unperturbed.

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.

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.

The demise of the Maya civilisation: water shortage can destroy cultures

Mathematical models analysing the interplay between society and hydrological effects have been developed at TU Wien (Vienna).

Mathematical models analysing the interplay between society and hydrological effects have been developed at TU Wien (Vienna).

Solving Hard Quantum Problems: Everything is Connected

Quantum objects cannot just be understood as the sum of their parts. This is what makes quantum calculations so complicated. Scientists at TU Wien (Vienna) have now calculated Bose-Einstein-condensates, revealing the secrets of the particles? collective behaviour. Quantum systems are extremely hard to analyse if they consist of more than just a few parts.

Quantum objects cannot just be understood as the sum of their parts. This is what makes quantum calculations so complicated. Scientists at TU Wien (Vienna) have now calculated Bose-Einstein-condensates, revealing the secrets of the particles? collective behaviour. Quantum systems are extremely hard to analyse if they consist of more than just a few parts.

Paving the way for a faster quantum computer

A team of physicists from the University of Vienna and the Austrian Academy of Sciences have demonstrated a new quantum computation scheme in which operations occur without a well-defined order. The researchers led by Philip Walther and Caslav Brukner used this effect to accomplish a task more efficiently than a standard quantum computer.

A team of physicists from the University of Vienna and the Austrian Academy of Sciences have demonstrated a new quantum computation scheme in which operations occur without a well-defined order. The researchers led by Philip Walther and Caslav Brukner used this effect to accomplish a task more efficiently than a standard quantum computer.

Carrot or stick?

What motivates people to cooperate in collaborative endeavors? "First carrot, then stick". Tatsuya Sasaki, mathematician from the University of Vienna, has put forth for the first time ever a mathematical proof of this process. The study is recently published online in the "Journal of the Royal Society Interface".

What motivates people to cooperate in collaborative endeavors? "First carrot, then stick". Tatsuya Sasaki, mathematician from the University of Vienna, has put forth for the first time ever a mathematical proof of this process. The study is recently published online in the "Journal of the Royal Society Interface".

Logic is Like Abstract Art

Modern logic unleashed new areas of mathematics. Even when language and intuition fail, conclusive theories can be constructed with the help of logic. When little children share chocolates, they already have to deal with numbers. Even complicated mathematical objects can often be grasped intuitively.

Modern logic unleashed new areas of mathematics. Even when language and intuition fail, conclusive theories can be constructed with the help of logic. When little children share chocolates, they already have to deal with numbers. Even complicated mathematical objects can often be grasped intuitively.

This Sentence is Wrong

The great Viennese logician Kurt Gödel studied statements which refer to themselves - and his results shook the foundations of mathematics. "All Cretans are liars", said Epimenides, a Cretan. But this means that his statement must be a lie too. But then it is false that Cretans are liars and the statement must be true.

The great Viennese logician Kurt Gödel studied statements which refer to themselves - and his results shook the foundations of mathematics. "All Cretans are liars", said Epimenides, a Cretan. But this means that his statement must be a lie too. But then it is false that Cretans are liars and the statement must be true.

Laser Physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can switch them on. Sound waves fade, water waves ebb, light waves are dissipated by a wall. The absorption of waves is a very common phenomenon.

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can switch them on. Sound waves fade, water waves ebb, light waves are dissipated by a wall. The absorption of waves is a very common phenomenon.

Quantum computers: Trust is good, proof is better

A quantum computer can solve tasks where a classical computer fails. The question how one can, nevertheless, verify the reliability of a quantum computer was recently answered in an experiment at the University of Vienna. The conclusions are published in the reputed scientific. The harnessing of quantum phenomena, such as superposition and entanglement, holds great promise for constructing future supercomputers using quantum technology.

A quantum computer can solve tasks where a classical computer fails. The question how one can, nevertheless, verify the reliability of a quantum computer was recently answered in an experiment at the University of Vienna. The conclusions are published in the reputed scientific. The harnessing of quantum phenomena, such as superposition and entanglement, holds great promise for constructing future supercomputers using quantum technology.

Vienna Physicists Create Tap-Proof Waves

Scientists at the Vienna University of Technology (TU Vienna) have developed a method to steer waves on precisely defined trajectories, without any loss. This way, sound waves could be sent directly to a target, avoiding possible eavesdroppers. Tossing a ball to someone without anyone else being able to catch it is simple.

Scientists at the Vienna University of Technology (TU Vienna) have developed a method to steer waves on precisely defined trajectories, without any loss. This way, sound waves could be sent directly to a target, avoiding possible eavesdroppers. Tossing a ball to someone without anyone else being able to catch it is simple.

### News in Brief

Materials Science - Dec 14

Exciton Phenomena in Functional Materials from Many-Body Perturbation Theory

Exciton Phenomena in Functional Materials from Many-Body Perturbation Theory

Social Sciences - Dec 14

Brown Bag: Anthropological Explorations into the Financial Dimensions of Europeanization in Bosnia and Herzegowina

Brown Bag: Anthropological Explorations into the Financial Dimensions of Europeanization in Bosnia and Herzegowina