Mundane objects can have metadata embedded into them, or provide markers for augmented reality functionality, like tracking the object in 3D. How are the codes actually embedded?

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 ...

Would you like a QR code embedded in that cookie? Researchers from Osaka University develop 'interiqr', a novel three-dimensional (3D) printing method of embedding edible QR codes--a type of ...