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The Surprising Stretching Behaviour of DNA

What happens when you pull a DNA molecule? It behaves quite differently than we are used to from macroscopic objects

06-Aug-2020

When large forces, for example in bridge construction, act on a heavy beam, the beam will be slightly deformed. Calculating the relationship between forces, internal stresses and deformations is one of the standard tasks in civil engineering. But what happens when you apply these considerations ...

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How to teach gold to tell left from right

Chemist from the TU Wien was awarded an Elise-Richter scholarship: She is conducting research in catalysis with ultra-small gold clusters

17-Jul-2020

Nanometer-sized gold particles consisting of only a few atoms can be used as catalysts for important chemical reactions. Noelia Barrabés from the Institute of Materials Chemistry at TU Wien has been researching new methods of adapting and precisely controlling such tiny gold clusters for years. ...

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New preparation processes for super-plastics

Water replaces toxins: Green production of plastics using hydrothermal synthesis

22-Apr-2020

Although organic plastics are not harmful to the environment themselves, toxic substances are often used during their synthesis. TU Wien shows - there is another way. Many materials that we use every day are not sustainable. Some are harmful to plants or animals, others contain rare elements that ...

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Neural Hardware for Image Recognition in Nanoseconds

Ultra-fast image sensor with a built-in neural network can be trained to recognize certain objects

06-Mar-2020

Automatic image recognition is widely used today: There are computer programs that can reliably diagnose skin cancer, navigate self-driving cars, or control robots. Up to now, all this has been based on the evaluation of image data as delivered by normal cameras - and that is time-consuming. ...

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Solving the Mystery of Quantum Light in Thin Layers

17-Oct-2019

A very special kind of light is emitted by tungsten diselenide layers. The reason for this has been unclear. Now an explanation has been found at TU Wien (Vienna). It is an exotic phenomenon that nobody was able to explain for years: when energy is supplied to a thin layer of the material ...

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How to Freeze Heat Conduction

25-Feb-2019

Physicists have discovered a new effect, which makes it possible to create excellent thermal insulators which conduct electricity. Such materials can be used to convert waste heat into electrical energy. Every day we lose valuable energy in the form of waste heat - in technical devices at home, ...

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Novel Laser Technology for Microchip-Size Chemical Sensors

12-Dec-2018

"Frequency combs" are optimally suited for chemical sensors. A revolutionary technology developed at TU Wien (Vienna) now produces these laser frequencies in a much easier and more robust way. Most lasers have only one color. All the photons it emits have exactly the same wavelength. However, ...

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Better Imaging Using Sound

A microscopy technique in which sound is measured instead of light.

28-Sep-2018

Individual molecules cannot be photographed – if you wish to visualise objects that are smaller than the wavelength of light, you'll need a few special tricks up your sleeve. You can use electron microscopes for example, or determine the position of specific fluorescent molecules by taking a ...

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Watching two-dimensional materials grow

30-Aug-2018

Atomically thin crystals will play an ever greater role in future – but how can their crystallisation process be controlled? A new method is now opening up new possibilities. They are among the thinnest structures on earth: “two dimensional materials” are crystals which consist of only one or a ...

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Tailored Polymers from a Printer

Efficient chain transfer for 3D-printing of tough photopolymers

10-Jul-2018

An ever-growing number of coatings, including varnishes and printing inks, as well as tooth fillings, are cured with light. Yet, homogenous, tailored, polymer networks cannot be produced, and the materials tend to be brittle, which limits the use of photopolymers in applications like 3D printing, ...

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