News tagged with refractive index

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Beyond the looking glass...

While the researchers can't promise delivery to a parallel universe or a school for wizards, books like Pullman's Dark Materials and JK Rowling's Harry Potter are steps closer to reality now that researchers ...

Aug 13, 2009 4.4 / 5 (16) 6

Scientists reverse Doppler Effect

(PhysOrg.com) -- 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’ ...

Mar 07, 2011 4.6 / 5 (15) 1 | with audio podcast