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Results 201 - 210 of 325 for LEDs
  • Article - 28 Apr 2017
    researchers have discovered a photodielectric effect in a ceramic material, which is a significant advancement in the development of photo-capacitors, circuit components that can control the current...
  • Article - 13 Apr 2017
    Excitons, also referred to as Coulomb bound electron-hole pairs, are composite bosons which lead to condensation and light amplification processes in semiconductors.
  • Article - 10 Apr 2017
    Researchers from the Department of Electrical and Computer Engineering at the National University of Singapore (NUS) has developed a supercritical lens that allows optical microscopes to capture...
  • Article - 20 Mar 2017
    Located in the rear interior wall of the eye, the retina is a nerve cell-rich structure that is responsible for translating the light that enters the eye into nerve signals, allowing for vision to...
  • Article - 3 Mar 2017
    Graphene is an allotrope of carbon, in which the carbon atoms form a single-layered sheet with a hexagonal honeycomb lattice, where the carbon atoms are arranged in the vertices of each hexagon.
  • Article - 21 Feb 2017
    A group of researchers from the University of Pennsylvania, US, have unexpectedly grown colloidal crystals with diamond symmetry, known as double diamond crystals (B32), using a DNA-mediated...
  • Article - 14 Feb 2017
    In an effort to address this clinical need for an enhanced diagnostic tool in the determination of atherosclerotic lesions, researchers in the Department of Neurosurgery at the University of Michigan...
  • Article - 21 Jul 2016
    Since the 1930’s, mean skin temperature has been routinely measured through the use of thermistors, thermocouples, and thermocrons that are often attached to the skin directly.
  • Article - 16 Sep 2014
    The development of fiber optic technology has driven the dramatic progression of telecommunications.
  • Article - 29 May 2014
    Photometer is an instrument for measuring the light intensity or optical properties of optical sources or detectors. It operates more like a transducer which converts electric current into mechanical...

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