Contact: Laura Ost
National Institute of Standards and Technology (NIST)
Caption: This is a colorized micrograph of the world's darkest material -- a sparse "forest" of fine carbon nanotubes -- coating a NIST laser power detector. Image shows a region approximately 25 micrometers across.
Credit: Aric Sanders, NIST
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Related news release: Extreme darkness: Carbon nanotube forest covers NIST's ultra-dark detector