A University of Minnesota forestry class is using QR codes to combine technology with nature. Students labeled trees around the St. Paul campus Thursday as part of a research project for their ...

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.

A Corporation Primary School in Tamil Nadu's Trichy has introduced QR code-embedded uniforms, a first for government schools in the state. These codes, currently on weekly T-shirts, display the ...