Scientists find a way to extract color from black

Scientists find a way to extract color from black

by University of Birmingham, Phys.org

Scientists have developed a way of extracting a richer palette of colors from the available spectrum by harnessing disordered patterns inspired by nature that would typically be seen as black.

Colors that we see in nature often come from nanoscale patterns that reflect light back in particular ways. A butterfly’s wing, for example, might appear blue because tiny grooves in the surface of the wing cause only blue light to be reflected.

When surfaces appear black or white, however, it’s often because the nanoscale structures are completely disordered, causing all the light to be either absorbed or reflected.

A team of researchers led by the University of Birmingham has now found a way to control the way light passes through these disordered surfaces to produce vivid colors.

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