Authors: George Rajna
Terahertz security cameras-currently employed in 18 countries including many major airports and the LA Metro-scan passengers for concealed weapons or contraband in their clothing from up to 10 meters away, operating on an entirely passive, non-invasive basis.  Using a single pixel camera and Terahertz electromagnetic waves, a team of Physicists at the University of Sussex have devised a blueprint which could lead to the development of airport scanners capable of detecting explosives.  The detectors created by ATI researchers are able to achieve high sensitivity levels that strongly compete with current technologies, while still operating at low voltages, as well as over the whole X-ray energy range spectrum.  There's nothing quite like an ice cream on a hot day, and eating it before it melts too much is part of the fun.  Studying the fleeting actions of electrons in organic materials will now be much easier, thanks to a new method for generating fast X-rays.  In a laboratory at the University of Rochester, researchers are using lasers to change the surface of metals in incredible ways, such as making them super water-repellent without the use of special coatings, paints, or solvents.  The interaction of high-power laser light sources with matter has given rise to numerous applications including; fast ion acceleration; intense X-ray, gamma-ray, positron and neutron generation; and fast-ignition-based laser fusion. 
Comments: 34 Pages.
[v1] 2019-11-25 07:33:34
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