Deformable full-colour light-emitting diodes with ultrafine pixels are essential for wearable electronics, which requires the conformal integration on curvilinear surface as well as retina-like ...
- glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo) ...
- a printing process that uses an etched or engraved plate; the plate is smeared with ink and wiped clean, then the ink left in the recesses makes the print ...