The highest possible resolution images — about 100,000 dots per inch — have been achieved, and in full-color, with a printing method that uses tiny pillars a few tens of nanometers tall. The method, ...

If the image looks pixelated or badly resized, don't let it fool you. It is actually a close-up of an image which measures just 50 micrometers across -- the same as a single human hair. The world's ...