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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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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(Phys.org) -- Technology that helps ground-based telescopes cut through the haze of Earth's atmosphere to get a clearer view of the heavens may also be used to collect better data at cutting-edge X-ray lasers like the Linac ...
General Physics
Jul 11, 2012
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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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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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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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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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