First full colour images at 100,000 dpi resolution
Inspired by colourful stained-glass windows, researchers from Singapore have demonstrated an innovative method for producing sharp, full-spectrum colour images at 100,000 dpi which can be applicable in reflective colour displays, anti-counterfeiting, and high-density optical data recording. So long as the pillars don’t corrode and change shape, the image won’t change over time. Potential uses could …