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Monday, July 28, 2014

THE CLOAKING DEVICE IS ALMOST HERE - SCIENTISTS BUILD INVISIBLE MATERIAL USING LIGHT

Scientists at the University of Cambridge have developed an 'invisible' metamaterial. They say their technique can be scaled up to cloak large objects. This image depicts an efficient route to manufacturing nanomaterials with light through plasmon-induced laser-threading of gold nanoparticle strings
Scientists at the University of Cambridge develop 'invisible' metamaterial
  • They say their technique can be scaled up to cloak large objects
  • It involves stringing together gold nanoparticles as a metamaterial with light
  • The metamaterial can be used to alter interaction with light and make it reflect the 'wrong' way, making the material appear different or invisible
  • These strings are then connected in layers and make a true cloaking device

  • Illustration by Ventsislav Valev - It depicts an efficient route to manufacturing nanomaterials with light through plasmon-induced laser-threading of gold nanoparticle strings

    What is a metamaterial?
    According to the Institute of Physics, metamaterials can bend electromagnetic radiation such as light around an object to give the appearance that it isn’t there.
     
    To date some researchers have used such properties of metamaterials to create devices that can bend certain forms of radiation such as near-infrared radiation.  So far, however, producing the same effect with visible light has proved more of a challenge
     
    Read more - http://www.dailymail.co.uk/sciencetech/article-2708648/Cloaking-devices-reality-scientists-successfully-build-invisible-material-using-LIGHT.html

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