Colloidal photonic glasses offer an appealing way to produce vivid colors without any chemical dyes—but so far, a stubborn optical effect has long prevented them from generating a true red color. Now, ...

Imagine a cheap and light-weight material that has the same appearance and qualities of the traditional 18-karat gold but weighs five to ten times less. A novel technology developed at the Swiss ...

A new technology is using particles of gold to make colors. With further work, the method developed at Aalto University could herald a new display technology. The technique uses gold nanocylinders ...

Apple decided to offer the iPhone Air in four colors. Those colors are Black, Light Blue, Light Gold, and White. Only one of them is light and it pops, the other are quite understated. The Apple ...