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Results 1761 - 1770 of 2135 for X-rays
  • Saturn's moon reveals the Yin-Yang of the Solar System
    News - 14 Sep 2007
    Cassini scientists are poring through hundreds of images returned from the 10 September fly-by of Saturn's two-toned moon Iapetus. The pictures show the moon's yin and yang - a white...
  • What is a Collimator?
    Article - 10 Jun 2013
    A collimator may be described as a device that focuses or narrows a light beam or a stream of particles to be aligned in a different direction or reduce its cross section. The collimator focuses a...
  • Krypton Fluoride Excimer Laser – Properties and Applications
    Article - 13 May 2013
    The krypton fluoride (KrF) laser is an excimer laser which emits deep ultraviolet wavelengths. It consists of two elements, namely krypton and fluorine, as the lasing medium.
  • How Do 3D Displays Work?
    Article - 29 Aug 2012
    3D movies and 3D TVs could be here to stay. This article explains the principles behind the different kinds of 3D display.
  • Advanced Photonix Announces Terahertz Development Contracts with DoD
    News - 20 Jul 2007
    Advanced Photonix, Inc has announced that it has received two Department of Defense Small Business Innovation Research (SBIR) contracts totaling $200,000 to determine the feasibility of utilizing...
  • More Accurate Breast Cancer Diagnosis May Come from Combined MRI-Optics Method
    News - 13 Jul 2007
    By combining two techniques, magnetic resonance imaging (MRI) and near-infrared optics, researchers at Dartmouth College and Dartmouth Medical School may have devised a new, potentially more accurate...
  • Periscopes - What is a Periscope?
    Article - 28 Jan 2008
    A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.
  • Chromatic Aberration – The Definition of Chromatic Aberration
    Article - 2 Dec 2007
    Chromatic aberration is also referred to as color fringing. Chromatic aberration occurs when a lens system is creating different focal lengths for different wavelengths of light. In other words, it is...
  • Fastest Measurements Ever of Molecular Dynamics
    News - 8 Jul 2007
    In the last decades there has been a revolution in measuring time-dependent molecular motion, thanks to improvements in laser technology. One major step forward were femtosecond pulses; they are...
  • New Method for Using Laser Beams to Accelerate Ions
    News - 8 Jul 2007
    Scientists at Los Alamos National Laboratory, in collaboration with researchers from the University of Nevada, Reno, Ludwig-Maximilian-University in Germany, and the Max-Planck-Institute for Quantum...

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