Soon even harder to spot (Image: U.S. Air Force/Staff Sgt. Andy Dunaway)
FASHIONISTAS take note: this material really does deserve to be labelled the new black – it absorbs virtually all the light that hits it.
This “blacker than black” stuff is an example of a class of substances known as metamaterials, which exhibit optical properties not normally found in nature.
Metamaterials consist of a regular array of two or more tiny components, each smaller than the wavelengths of the light they interact with. It is this array-like internal structure that gives them their unusual properties.
of Purdue…
