Our lives were made considerably simpler by QR codes, which were developed in 1994 by the Japanese vehicle company Denso Wave. QR codes often include data for a tracker, location, or identification ...

Scientists have developed a new method of providing information on 3D-printed foods, by printing a QR code within the food itself. Doing so doesn't affect the taste or outward appearance of the food, ...

Researchers have developed a way of printing edible QR codes -- a kind of barcode -- within cookies, meaning that the tag is embedded within the food itself. Crucially, the tag doesn't change the ...