The New Black

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[Image: A National Institute of Standards and Technology reflectance standard (left), a sample of the new darkest material (center), and a piece of glassy carbon (right), taken under a flash light illumination]

U.S. researchers have made the darkest material on Earth, a substance so black it absorbs more than 99.9 percent of light. Made from tiny tubes of carbon standing on end, this material is almost 30 times darker than a carbon substance used by the U.S. National Institute of Standards and Technology as the current benchmark of blackness.

The substance has a total reflective index of 0.045 percent — which is more than three times darker than the nickel-phosphorous alloy that now holds the record as the world’s darkest material. Basic black paint, by comparison, has a reflective index of 5 percent to 10 percent.

They’re already talking about the benefits of using this, or a similar material, in future solar panel construction, as it would be incredibly efficient at absorbing nearly all the light that hit it.

::via Reuters::

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Posted: January 18th, 2008
at 5:00am by orangemenace


Categories: green,real life news,science

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