Spintronics is a form of signal processing similar to that used in traditional electronics, but it takes advantage of a property of electrons known as spin. Spin is often visualized as an arrow about which the electron rotates, ...
General Physics
Jan 30, 2013
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When a piece of metal is cooled down, it becomes easier for electrons to move through the material. Therefore, the electrical resistance of a metal normally decreases with lower temperatures. However, in the presence of magnetic ...
General Physics
Jan 25, 2013
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Most materials will break when a force is applied to an imperfection in their structure—such as a notch or dislocation. The behavior of these imperfections, and the resulting breakage, differ markedly between small structures, ...
Nanophysics
Sep 12, 2012
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Radio signals reach pilots on board an aircraft through the "radar dome", the rounded nose of the aircraft. But if errors occur during the production of this "nose", - tiny foreign particles, drops of water or air bubbles ...
Engineering
Apr 26, 2012
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Surface imperfections in devices such as gears or levers can have disastrous effects on reliability. Recent studies have demonstrated the usefulness of atomic force microscopes (AFMs) — instruments that use tiny silicon-based ...
Nanophysics
Mar 1, 2012
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Although the body is constantly replacing cells and cell constituents, damage and imperfections accumulate over time. Cleanup efforts are saved for when it really matters. Researchers from the University of Gothenburg, Sweden, ...
Cell & Microbiology
Sep 20, 2011
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The new discovery by Aalto University can have major impact on future nanoscale device design, such as ultraviolet photo detectors and drug delivery.
Nanophysics
Aug 24, 2011
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