News tagged with visible spectrum

Berkeley Researchers Light Up White OLEDs

(PhysOrg.com) -- Light-emitting diodes, which employ semiconductors to produce artificial light, could reduce electricity consumption and lighten the impact of greenhouse gas emissions. However, moving this ...

dateApr 06, 2010 in Nanophysics
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Turning metal black more than just a novelty

(PhysOrg.com) -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.

dateDec 08, 2009 in General Physics
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