Related topics: light

Colorful, magnetic Janus balls could help foil counterfeiters

Counterfeiters who sell knockoffs of popular shoes, handbags and other items are becoming increasingly sophisticated, forcing manufacturers to find new technologies to stay one step ahead. Now, researchers reporting in ACS ...

Appearances can be deceiving: Display versus surface colors

The white of paper and the white of a monitor can be precisely the same color values, yet they appear fundamentally different. That disparity may not lie in the mode of display, but rather in how the colors are constructed, ...

Using better colours in science

Colors are often essential to convey scientific data, from weather maps to the surface of Mars. But did you ever consider that a combination of colors could be "unscientific?" Well, that's the case with color scales that ...

Dull-colored birds don't see the world like colorful birds do

Fall is here, and we see the leaves turning yellow, orange or red thanks to a trick of our vision: our brains categorize colors. Scientists have learned that birds with colorful markings do this too. But what about drab birds ...

A flexible color-changing film inspired by chameleon skin

Chameleons can famously change their colors to camouflage themselves, communicate and regulate their temperature. Scientists have tried to replicate these color-changing properties for stealth technologies, anti-counterfeiting ...

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