The quest to artificially create and control structural colors has been driven by their unique properties: they can be more vibrant, longer-lasting, and less toxic than traditional pigments. Moreover, ...

The automatic assessment of image aesthetics is challenging. This relates to the development of image assessment methods that resemble the aesthetics of the public. Specifically, there are many ...

WHEN gaseous substances slowly react with metals, and the volume of the solid resultants is greater than that of the metal at the temperature of reaction, a series of bright interference colours is ...

Plasmonic resonances in metallic nanoparticles have been used since antiquity to colour glasses. The use of metal nanostructures for surface colourization has attracted considerable interest following ...

Roses are red, violets are blue. Everybody knows that, but what makes them so? Although plant breeders were aware of some of the genes involved, there was as yet no quantitative study of how pigment ...

An international team of astronomers has determined the colour of the Universe when it was very young. While the Universe is now kind of beige, it was much bluer in the distant past, at a time when it ...