A donut is not a breakfast roll. Those are two very clearly distinguishable objects: One has a hole, the other does not. In mathematics, the two shapes are said to be topologically different—you cannot transform one into ...
Condensed Matter
Oct 10, 2022
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346
Physicists at EPFL have developed a formulation to solve the longstanding problem of electron self-interaction when studying polarons—quasiparticles produced by electron-phonon interactions in materials. The work can lead ...
Quantum Physics
Oct 7, 2022
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169
Tuberculosis, an infectious disease that killed 1.5 million people in 2020, is most commonly treated with a cocktail of four drugs that must be taken for up to six months. This treatment plan, however, can have the unintended ...
Biochemistry
Oct 6, 2022
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104
Gold, a precious metal, is arguably the most widely used metal across jewelry and coinage due to its physical properties that are unique to the world of metals. Not only is it a good conductor of heat and electricity, it ...
Nanomaterials
Oct 6, 2022
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48
Although nanotechnology and materials science are complicated topics for most of us, the research in these fields is of great importance to almost everyone. Your digital gadgets, for example, are completely dependent on it.
Nanomaterials
Oct 6, 2022
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77
A new technique that combines electron microscopy and laser technology enables programmable, arbitrary shaping of electron beams. It can potentially be used for optimizing electron optics and for adaptive electron microscopy, ...
Optics & Photonics
Sep 29, 2022
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165
In a recent study, researchers from Xi'an Jiaotong-Liverpool University and other universities in China have reported that brain stimulation combined with a nose spray containing nanoparticles can improve recovery after ischemic ...
Bio & Medicine
Sep 28, 2022
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142
In the last decades, a new synthetic approach has been developed, generally termed as "on-surface synthesis" that substantially departs from standard wet-chemistry. Instead of the three-dimensional space of solvents in the ...
Nanophysics
Sep 26, 2022
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81
Grain boundaries are widely distributed in metallic crystals and have important impacts on their mechanical properties. Among them, high-angle grain boundaries (HAGBs) can strengthen metallic materials, but the stress concentration ...
Analytical Chemistry
Sep 26, 2022
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19
What do clouds, televisions, pharmaceuticals, and even the dirt under our feet have in common? They all have or use crystals in some way. Crystals are more than just fancy gemstones. Clouds form when water vapor condenses ...
Condensed Matter
Sep 23, 2022
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234
