(Phys.org)—A team of researchers at the Technical University of Denmark has developed a way to print colors onto a surface without using ink and which will not fade. In their paper published in the ...

Butterflies owe much of their charisma to their brilliant colors. And they owe much of their brilliant coloration not to pigments, the molecules that lend color to different inks, but to nanoscale ...

Thanks to the arrival of low-cost tablets, odds are that Amazon’s never going to make a Kindle with a color ePaper display. But E Ink still thinks there’s a market for high-contrast, low-power color ...