For those of us who weren't paying attention, over the last few years, scientists around the world have been one-upping each other in a bid to create the smallest QR code that can be reliably read. Now, Austria-based researchers have set the bar real high with a QR code so tiny, you'll need an…
shrunk the specialized barcode down to an area of 1.98 square micrometers, which is smaller than many bacteria, and is invisible to optical microscopes.
2·11 days ago