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Results 10671 - 10680 of 15147 for Lighting
  • 19 Individual Mirrors to Function as One Very Sensitive Telescope
    News - 3 Oct 2007
    Scientists and engineers have created and successfully tested a set of algorithms and software programs which are designed to enable the 19 individual mirrors comprising NASA's powerful James Webb...
  • ant Critical Angle - Definition and Applications
    Article - 6 May 2014
    Critical angle in optics refers to the angle of incidence beyond which total internal reflection of light occurs.
  • Optical Condenser - Definition and Applications
    Article - 1 May 2014
    A condenser is essentially an optical lens that is used to convert a divergent beam from apoint source into a parallel or converging beam.
  • New Applications for Photonic Polymer Opals
    News - 19 Sep 2007
    A method for mass producing polymer opals that allow novel color-tuning characteristics has been developed by researchers in the UK and Germany. What's more, the researchers believe that they have...
  • What is Electro-Optical Rectification?
    Article - 8 Oct 2013
    Optical rectification or electro-optic rectification may be described as a non-linear optical process that generates a quasi-DC polarization in a non-linear medium by passing an intense beam of light.
  • What is a Mercury Vapour Lamp?
    Article - 6 May 2014
    A mercury vapour lamp is a high-pressure electric arc discharge lamp that provides intense illumination over a selected range of wavelengths.
  • What is an Optical Fiber Isolator?
    Article - 22 Oct 2014
    Optical isolators are optical elements which allow light to propagate in only one direction. The propagation of light in one single direction is required in order to prevent optical back scattering or...
  • Hinode Provides New Insights Into Workings of Solar Flares
    News - 22 Aug 2007
    Highlights include new insights on the workings of solar flares and on the mechanism behind coronal heating. Hinode (Sunrise in Japanese) was launched to study magnetic fields on the Sun and their...
  • Silicon Nanoparticle Film Added to Silicon Solar Cells Boosts Power, Reduces Heat and Prolongs Cell Life
    News - 20 Aug 2007
    Placing a film of silicon nanoparticles onto a silicon solar cell can boost power, reduce heat and prolong the cell's life, researchers now report. "Integrating a high-quality film of...
  • The Art of Engineering
    News - 15 Jul 2007
    On a college campus, it would be difficult to find two subjects more different from each other than art and engineering. Yet on the campus of the University of South Florida, one engineering...

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