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Overview of all focus news of the innovations-report

Overview of the focus news:

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Im Focus: The Lipid Code

New chemical tools can control the concentration of lipids in living cells

Lipids, or fats, have many functions in our body: They form membrane barriers, store energy or act as messengers, which regulate cell growth and hormone...

Im Focus: ESO telescope sees star dance around supermassive black hole, proves Einstein right

Observations made with ESO's Very Large Telescope (VLT) have revealed for the first time that a star orbiting the supermassive black hole at the centre of the Milky Way moves just as predicted by Einstein's general theory of relativity. Its orbit is shaped like a rosette and not like an ellipse as predicted by Newton's theory of gravity. This long-sought-after result was made possible by increasingly precise measurements over nearly 30 years, which have enabled scientists to unlock the mysteries of the behemoth lurking at the heart of our galaxy.

"Einstein's General Relativity predicts that bound orbits of one object around another are not closed, as in Newtonian Gravity, but precess forwards in the...

Im Focus: Particle billiards with three players

Frankfurt researchers solve puzzle of Compton scattering – new approach for testing theories in quantum mechanics

Light can be used to knock electrons out of atoms, with light particles and electrons bouncing off each other like two billiard balls – Compton scattering. Why...

Im Focus: New method for the temperature-dependent generation of terahertz radiation

Physicists from the universities of Augsburg and Münster have presented a new type of emitter for generating terahertz radiation, which can be switched on or off by varying the temperature. In the future, it could possibly enable the construction of higher intensity radiation sources. There is great interest in such emitters: terahertz radiation can be used, for example, to make defects in materials visible, to detect weapons under clothing or to detect skin cancer cells. The study was published in the journal "Applied Physics Letters".

Terahertz rays are electromagnetic waves, just like radio waves or light. What differentiates them is the frequency with which they oscillate: one hundred...

Im Focus: Broad spectrum: Novel hybrid material proves an efficient photodetector

Digital cameras as well as many other electronic devices need light-sensitive sensors. In order to cater for the increasing demand for optoelectronic components of this kind, industry is searching for new semiconductor materials. They are not only supposed to cover a broad range of wavelengths but should also be inexpensive.

A hybrid material, developed in Dresden, fulfils both these requirements. Himani Arora, a physics PhD student at Helmholtz-Zentrum Dresden-Rossendorf (HZDR),...

Im Focus: X-ray vision through the water window

The development of the first high-repetition-rate laser source that produces coherent soft x-rays spanning the entire 'water window' heralds the beginning of a new generation of attosecond technology

The ability to generate light pulses of sub-femtosecond duration, first demonstrated some 20 years ago, has given rise to an entirely new field: attosecond...

Im Focus: The human body as an electrical conductor, a new method of wireless power transfer

Published by Marc Tudela, Laura Becerra-Fajardo, Aracelys García-Moreno, Jesus Minguillon and Antoni Ivorra, in Access, the journal of the Institute of Electrical and Electronics Engineers

The project Electronic AXONs: wireless microstimulators based on electronic rectification of epidermically applied currents (eAXON, 2017-2022), funded by a...

Im Focus: Belle II yields the first results: In search of the Z′ boson

The Belle II experiment has been collecting data from physical measurements for about one year. After several years of rebuilding work, both the SuperKEKB electron–positron accelerator and the Belle II detector have been improved compared with their predecessors in order to achieve a 40-fold higher data rate.

Scientists at 12 institutes in Germany are involved in constructing and operating the detector, developing evaluation algorithms, and analyzing the data.

Im Focus: When ions rattle their cage

Electrolytes play a key role in many areas: They are crucial for the storage of energy in our body as well as in batteries. In order to release energy, ions - charged atoms - must move in a liquid such as water. Until now the precise mechanism by which they move through the atoms and molecules of the electrolyte has, however, remained largely unknown. Scientists at the Max Planck Institute for Polymer Research have now shown that the electrical resistance of an electrolyte, which is determined by the motion of ions, can be traced back to microscopic vibrations of these dissolved ions.

In chemistry, common table salt is also known as sodium chloride. If this salt is dissolved in water, sodium and chloride atoms dissolve as positively or...

Im Focus: Harnessing the rain for hydrovoltaics

Drops of water falling on or sliding over surfaces may leave behind traces of electrical charge, causing the drops to charge themselves. Scientists at the Max Planck Institute for Polymer Research (MPI-P) in Mainz have now begun a detailed investigation into this phenomenon that accompanies us in every-day life. They developed a method to quantify the charge generation and additionally created a theoretical model to aid understanding. According to the scientists, the observed effect could be a source of generated power and an important building block for understanding frictional electricity.

Water drops sliding over non-conducting surfaces can be found everywhere in our lives: From the dripping of a coffee machine, to a rinse in the shower, to an...

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