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Publié le mercredi 5 juillet 2023

⇒ https://phys.org/physics-news/

Articles syndiqués tirés de ce site

Researchers generate super-fast electrons with table-top laser systems
13 mars
In massive particle accelerators, sub-atomic particles (like electrons) are sped up to super-high speeds comparable to the speed of light towards a target surface. The collision of accelerated sub-atomic particles gives rise to unique interactions enabling scientists to obtain a deeper (…)
Polarization-sensitive tomography made easy with tensorial tomographic Fourier ptychography
13 mars
In the realm of medical imaging, there are quite a few different techniques to extract information from biological tissue based on its different interactions with visible light. Over the past decade, there has been a massive surge in research focusing on quantitative phase imaging, which (…)
Good prospects for altermagnets in spin-based electronics
13 mars
Altermagnets represent a newly recognized class of materials in magnetism that could enable novel applications in spin-based electronics. Their magnetically ordered state consists of an antiparallel arrangement of microscopic magnetic moments, so-called spins, as in antiferromagnets.
New ceramics promise hotter gas turbines that produce more power
13 mars
Skoltech researchers have identified promising ceramic materials for metal coatings that would boost gas turbine efficiency. If further experimental tests prove successful, the coatings will enable power plants to produce more electricity and jet planes to consume less fuel. With the material (…)
Scientists reveal the first unconventional superconductor that can be found in mineral form in nature
13 mars
Scientists from Ames National Laboratory have identified the first unconventional superconductor with a chemical composition also found in nature. Miassite is one of only four minerals found in nature that act as a superconductor when grown in the lab. The team’s investigation of miassite (…)
AI for astrophysics : Algorithms help chart the origins of heavy elements
13 mars
The origin of heavy elements in our universe is theorized to be the result of neutron star collisions, which produce conditions hot and dense enough for free neutrons to merge with atomic nuclei and form new elements in a split-second window of time. Testing this theory and answering other (…)
Powerful new tool ushers in new era of quantum materials research
12 mars
Research in quantum materials is paving the way for groundbreaking discoveries and is poised to drive technological advancements that will redefine the landscapes of industries like mining, energy, transportation, and medtech.
Exploring exotic behaviors in population-imbalanced fermionic systems
12 mars
Over the past 20 years, many physicists have studied ultra-cold fermionic systems contained in magnetic or optical traps. When an external magnetic field is applied to a two-species fermionic system, the particles can pair together to form composite "bosonic molecules" with a (…)
You didn’t see it coming : New research shows turbulent flows can be caused by minute triggers
12 mars
We experience turbulence every day : a gust of wind, water gushing down a river, or mid-flight bumps on an airplane.
Study shows inverting fusion plasmas improves performance
12 mars
To become commercially viable, fusion power plants must create and sustain the plasma conditions necessary for fusion reactions. However, at high temperatures and densities, plasmas often develop gradients in those temperatures and densities. These gradients can grow into instabilities such as (…)
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