When you make conducting wires thinner, their electrical resistance goes up. This is Ohm's law, and it is generally right. An important exception is at very low temperatures, where the mobility of electrons increases when ...
Condensed Matter
Sep 23, 2022
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809
Molecules of the rare metallic element niobium can be used as molecular building blocks to design electrochemical energy storage materials. Mark Rambaran, Department of Chemistry at Umeå University, presents in his thesis ...
Materials Science
Sep 20, 2022
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8
Engineers can now capture and predict the strength of metallic materials subjected to cycling loading, or fatigue strength, in a matter of hours—not the months or years it takes using current methods.
Analytical Chemistry
Sep 19, 2022
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233
Special wettability of solid surfaces is a ubiquitous phenomenon in nature and has attracted much attention because of its potential applications in diverse fields, such as oil-water separation, antibiofouling and drag reduction. ...
Biochemistry
Sep 15, 2022
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69
The second half of the 20th century was the age of electronics, electronic devices became miniaturized and even more complex, creating problems for their energy consumption and waste heat. Spintronics promises to store or ...
Nanophysics
Sep 8, 2022
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38
Lasers are everywhere. Devices that use them transmit information and enable the existence of long-distance communications and the internet; they aid doctors performing surgeries and engineers manufacturing advanced tools ...
Optics & Photonics
Aug 22, 2022
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82
An international team of researchers has developed a new type of strong and elastic two-dimensional (2D) membrane. The invention could prove useful, for instance, in detecting remnants of antibiotics from water.
Bio & Medicine
Aug 2, 2022
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13
An interdisciplinary team of researchers at the University of Alabama at Birmingham have developed a new plasma-enabled process that could limit the proliferation of toxins from implants into a patient's bloodstream. The ...
Bio & Medicine
Jul 22, 2022
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49
Whether it is cars, energy or mobile phones, modern society is built on metals, and our future strongly depends on these materials, too. To store hydrogen in a safe, compact and still environmentally friendly way is still ...
Materials Science
Jul 14, 2022
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12
Physicists at the University of Münster are the first to successfully reveal the dynamic interaction of a class of artificial molecular machines—the so-called molecular shuttles—by using molecular-dynamic simulations. ...
Analytical Chemistry
Jul 5, 2022
0
59
