News tagged with straight line

Dance of the nanovortices

It is a familiar phenomenon: if a spinning top is bumped or is set in rotation on an inclined surface, it usually does not move in a straight line, but instead scribes a series of small arches. Researchers ...

dateFeb 02, 2015 in Nanophysics
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Ray tracing and beyond

Ray tracing is simple to explain at one level: "We all do it all day long: That's how you navigate the world visually," Gene Tracy explains. "The fact that I know that you're sitting there and not over there is because the ...

dateSep 01, 2014 in Plasma Physics
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The pirate in the microbe

Pirates could have copied the technique they use to capture ships from bacteria. Like buccaneers who draw their boat to a target ship with grappling hooks, the single-cell organisms use threadlike appendages, ...

dateMay 28, 2014 in Cell & Microbiology
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Shedding light on Anderson localization

Waves do not spread in a disordered medium if there is less than one wavelength between two defects. Physicists from the universities of Zurich and Constance have now proved Nobel Prize winner Philip W. Anderson's ...

dateDec 20, 2012 in Optics & Photonics
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