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Nanotechnology prints colors that will never fade

from CBS News

Laser printers that "sculpt" images at miniscule scales could one day make color photos that don't fade over time the way ink does, according to a new study. Researchers at the Technical University of Denmark made a sheet of polymer and semiconductor metal that reflects colors that never fade, using tiny structures that diffract, absorb and reflect light of different wavelengths. A coating made of the material would never need repainting, and the resulting image would retain its vibrancy over time, the scientists said. more

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