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Physics - Materials Science - 10:06

Spin-sonics: Acoustic wave gets the electrons spinning: Team of researchers first to demonstrate spin of a nano-sonic wave
A team of German and American researchers from Augsburg, Münster, Edmonton, West Lafayette and Munich have detected the rolling movement of a nano-acoustic wave predicted by the famous physicist and Nobel prize-winner Lord Rayleigh in 1885. In a study published in the journal "Science Advances", the researchers use a nanowire inside which electrons are forced onto circular paths by the spin of the acoustic wave.

Chemistry - Physics - 22.07.2021

Silicon with a Two-Dimensional Structure
Heidelberg chemists succeed in producing synthesis and complete characterisation for the first time Silicon, a semi-metal, bonds in its natural form with four other elements and its three-dimensional structure takes the form of a tetrahedron. For a long time, it seemed impossible to achieve the synthesis and characterisation of a two-dimensional equivalent - geometrically speaking, a square.

Astronomy / Space Science - Physics - 21.07.2021

Long-period oscillations of the Sun discovered
Ten years of data from NASA's Solar Dynamics Observatory combined with numerical models reveal the deep low musical notes of the Sun   (mps) A team of solar physicists led by Professor Laurent Gizon of the Max Planck Institute for Solar System Research (MPS) and the University of Göttingen in Germany has reported the discovery of global oscillations of the Sun with very long periods, comparable to the 27-day solar rotation period.

Physics - 16.07.2021

Simplified method for calibrating optical tweezers: Broadband measurement of viscoelasticity with reduced measurement time
Measurements of biomechanical properties inside living cells require minimally invasive methods. Optical tweezers are particularly attractive as a tool. It uses the momentum of light to trap and manipulate microor nanoscale particles. A team of researchers led by Cornelia Denz from the University of Münster has now developed a simplified method to perform the necessary calibration of the optical tweezers in the system under investigation.

Life Sciences - Physics - 15.07.2021

The virus trap
Hollow nano-objects made of DNA could trap viruses and render them harmless To date, there are no effective antidotes against most virus infections. An interdisciplinary research team at the Technical University of Munich (TUM) has now developed a new approach: they engulf and neutralize viruses with nano-capsules tailored from genetic material using the DNA origami method.

Physics - Mathematics - 07.07.2021

Zeitabhängige Berechnung eines Bose-Einstein-Kondensats
The term Bose-Einstein condensate describes a state of matter in which atoms or elementary particles combine into a single quantum mechanical object during extreme cooling. Science does not yet fully understand exactly how these macroscopic states - beyond the confines of traditional physics - develop from a thermal atomic cloud in just a few milliseconds and when statistical equilibrium is reached, according to Georg Wolschin.

Physics - 30.06.2021

Multitalented filaments in living cells
Göttingen researchers investigate special properties of protein structures   The cells that make up our bodies are constantly exposed to a wide variety of mechanical stresses. For example, the heart and lungs have to withstand lifelong expansion and contraction, our skin has to be as resistant to tearing as possible whilst retaining its elasticity, and immune cells are very squashy so that they can move through the body.

Chemistry - Physics - 22.06.2021

Producing hydrogen using less energy
International research team describes complete reaction path for electrocatalytic hydrogen generation The way in which a compound inspired by nature produces hydrogen has now been described in detail for the first time by an international research team from the University of Jena and the University of Milan-Bicocca.

Physics - Materials Science - 17.06.2021

Tailored laser fields reveal properties of transparent crystals
Research team led by the University of Göttingen investigates surface magnetisation The surface of a material often has properties that are very different from the properties within the material. For example, a non-conducting crystal, which actually exhibits no magnetism, can show magnetisation restricted to its surface because of the way the atoms are arranged there.

Physics - Chemistry - 09.06.2021

New light on making two-dimensional polymers
New 2D-materials tailored by self organization and photopolymerisation An international research team led by members from the Technical University of Munich, the Deutsches Museum, the Linköping University has developed a method to manufacture two-dimensional polymers with the thickness of a single molecule.

Physics - 08.06.2021

X-ray flash imaging of laser-induced bubbles and shockwaves in water
Holographic 'movie' of bubbles and high-pressure shockwave created by research team led by Göttingen University Everyone is familiar with tiny gas bubbles gently rising up in sparkling water. But the bubbles that were created by intense focused lasers in this experiment were ten times smaller and contained water vapour at a pressure around a hundred thousand times higher.

Astronomy / Space Science - Physics - 01.06.2021

Turbulence in interstellar gas clouds reveals multi-fractal structures
The German-French Cooperation Programme GENESIS describes the complex structure of the interstellar medium using a new mathematical method / The dispersion of interstellar turbulence in gas clouds before star formation unfolds in a cosmically small space In interstellar dust clouds, turbulence must first dissipate before a star can form through gravity.

Physics - Life Sciences - 21.05.2021

Making the gray cells happy
Neutrons show a connection between lithium concentration and depression Depressive disorders are among the most frequent illnesses worldwide. The causes are complex and to date only partially understood. The trace element lithium appears to play a role. Using neutrons of the research neutron source at the Technical University of Munich (TUM), a research team has now proved that the distribution of lithium in the brains of depressive people is different from the distribution found in healthy humans.

Physics - Materials Science - 19.05.2021

Making the invisible visible
International research team develops new method for studying atomic structures in material surfaces Researchers from Friedrich Schiller University Jena, the University of California Berkeley and the Institut Polytechnique de Paris use intense laser light in the extreme ultraviolet spectrum to generate a non-linear optical process on a laboratory scale - a process which until now has only been possible in a large-scale research facility.

Physics - Chemistry - 12.05.2021

New atomically precise graphene nanoribbon heterojunction sensor developed
A team of physicists and chemists has developed a highly sensitive sensor, which was made possible by a new heterostructure consisting of atomically precise graphene nanoribbons / Publication in 'Nature Communications' An international research team led by the University of Cologne has succeeded for the first time in connecting several atomically precise nanoribbons made of graphene, a modification of carbon, to form complex structures.

Physics - Astronomy / Space Science - 07.05.2021

The Symmetry Between Electrons and Muons Looks ’Shaky’
Experimental hints of possible new physical phenomena beyond the Standard Model Using data acquired on the worldwide biggest and strongest particle accelerator, the Large Hadron Collider (LHC) at the CERN European particle physics laboratory in Geneva (Switzerland), scientists involved in the LHCb experiment have found hints of possible new physical phenomena.

Physics - Innovation - 23.04.2021

Energy-saving gas turbines from the 3D printer
Neutrons "see" internal stress in components from additive manufacturing 3D printing has opened up a completely new range of possibilities. One example is the production of novel turbine buckets. However, the 3D printing process often induces internal stress in the components which can in the worst case lead to cracks.

Astronomy / Space Science - Physics - 19.04.2021

New Exoplanet discovered orbiting young Sun-like star
Astronomers from the Netherlands, Belgium, Chile, the USA and Germany have imaged the newly discovered exoplanet "YSES 2b" right next to its host star An international research team with the participation of Dr Markus Mugrauer from the Astrophysical Institute of Friedrich Schiller University Jena has succeeded in the direct imaging of a young exoplanet.

Physics - 16.04.2021

Quantum Spins: And yet they pair!
A quantum spin liquid is a state of matter in which interacting quantum spins do not align even at lowest temperatures, but remain disordered. Research on this state has been going on for almost 50 years, but whether it really exists has never been proven beyond doubt. An international team led by physicist Prof. Martin Dressel at the University of Stuttgart has now put an end to the dream of a quantum spin liquid for the time being.

Life Sciences - Physics - 16.04.2021

Not as dense - New 3D imaging technique allows deep insights into subcellular structures
Using a new microscope and methods from biophysics and biochemistry, scientists from the IRI Life Sciences at Humboldt-Universität and the Max Planck Institute for the Physics of Light succeeded in visualizing the density of the spindle and the surrounding cell interior Left: A new imaging setup allows for correlative fluorescence and quantitative phase imaging.