QR codes, those goofy black-and-white arrangements of digital information, could help secure bank notes. Scientists just showed that they could print an invisible QR code made of a high-tech ink ...

(Nanowerk Spotlight) Quick Response Codes, or QR codes for short, are two-dimensional matrix codes that can hold 100 times more data than a traditional barcode. QR codes have rapidly gained popularity ...

Digital transformation is redefining how we experience creativity. One unexpected but increasingly valuable tool is the QR code, now widely adopted in music education, performance, and visual art ...