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Color Printing Reaches Its ­ltimate Resolution

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Highest-definition image

Enlargement of an image just 50x50 micrometers, printed at the highest definition possible.

Credit: Agency for Science, Technology and Research

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.

From Nature
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