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Machine learning uncovers hidden heat transport mechanisms in organic semiconductors

Complex materials such as organic semiconductors or the microporous metal-organic frameworks known as MOFs are already being used for numerous applications such as OLED displays, solar cells, gas storage and water extraction. Nevertheless, they still harbor a few secrets. One of these has so far been a detailed understanding of how they transport thermal energy.

Egbert Zojer’s research team at the Institute of Solid State Physics at Graz University of Technology (TU Graz), in collaboration with colleagues from TU Vienna and the University of Cambridge, has now cracked this secret using the example of organic semiconductors, opening up new perspectives for the development of innovative materials with customized thermal properties.

The team has published its findings in npj Computational Materials.

Muonic atoms unlock new possibilities in nuclear physics

University of Queensland researchers have made a breakthrough in muonic atom research, clearing the way for new nuclear physics experiments.

A team at the UQ School of Mathematics and Physics has combined theory and experiments to show that nuclear polarization does not limit studies of muonic atoms. The research was published in Physical Review Letters.

Co-author Dr. Odile Smits said the finding provides a clear path for using muonic atoms to better understand the magnetic structure of the .

Revolutionary MRI Tech Unmasks Hidden Brain Lesions and Transforms Epilepsy Treatment

A new imaging technique is helping ultra-powerful MRI scanners detect tiny differences in the brains of patients with treatment-resistant epilepsy. In a groundbreaking study, doctors at Addenbrooke’s Hospital in Cambridge used this approach to identify hidden brain lesions, allowing them to offer patients surgery that could cure their condition.

7T MRI scanners, named for their use of a 7 Tesla magnetic field, which is more than twice as strong as the 3T scanners commonly used, have previously struggled with signal blackspots in key areas of the brain. However, researchers from Cambridge and Paris have developed a technique that overcomes this issue, as detailed in a study published today (March 21) in Epilepsia.

The challenge of treating focal epilepsy.

This AI Uses Light Instead of Electricity and It’s Mind-Blowingly Fast

Imagine fiber optic cables acting as vast sensor networks, detecting vibrations for everything from earthquake warnings to railway monitoring. The challenge? Processing the enormous data flow in real-time. Traditional electronic computing struggles, but researchers have merged machine learning wi

Quantum ‘Tornadoes’ Spotted in Semimetal May Redefine Electronics

Physicists in Germany have led experiments that show the inertia of electrons can form ‘tornadoes’ inside a quantum semimetal.

It’s almost impossible for electrons to sit still, and their motions can take on some bizarre forms. Case in point: an analysis of electron behavior in a quantum material called tantalum arsenide reveals vortices.

But the story gets weirder. These electrons aren’t spiraling in a physical place – they’re doing so in a quantum blur of possibility called momentum space. Rather than drawing a map of particles potential locations, or position space, momentum space describes their motion through their energy and direction.

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