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University of Michigan News Service | 'Perfect black' coating can render a 3D object flat, raises intriguing dark veil possibility in astronomy

ns.umich.edu
2011-11-24T00:02:31.000Z
physics stealth nifty imported:pinboard

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The 70-micron coating, or carbon nanotube carpet, is about half the thickness of a sheet of paper. It absorbs 99.9 percent of the light that hits it, researchers say.

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