News tagged with refractive index

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Scientists reverse Doppler Effect

( -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical ‘Doppler Effect’ – an advance ...

dateMar 07, 2011 in Optics & Photonics
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Imitation black hole seen on earth

Astrophysics deals mostly with things that are so distant -- thousands or billions of light years away -- that we can't ever hope to see them up close. But clever scientists can do the next best thing to making a light-year ...

dateSep 30, 2010 in General Physics
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