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Carbon nanotube “forest” hides 3-D objects

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Ashley N. Paddock, [email protected]

A unique property of carbon nanotubes – the low refractive index of low-density aligned nanotubes – also can camouflage 3-D objects, making them look like nothing more than a flat black sheet. The tiny cylinders, composed of one-atom-thick carbon lattices, are one of the strongest materials known to science. Carbon nanotube “forests” have a low index of refraction very close to that of air. Because the two materials affect the passage of light in similar ways, there is little reflection or scattering of the light as it passes from air into a layer of nanotubes....Read full article

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    Published: February 2012
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    3-D objects camouflagedAmericascarbon nanomaterialscarbon nanotube coatingcarbon nanotube forestcarbon nanotubescloakingdark veilL. Jay Guolow refractive indexMichiganMicroscopynanoOpticsResearch & Technologysilicon etched tankTech PulseUniversity of Michigan

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