Just how small can a QR code be? Small enough that it can only be recognized with an electron microscope. A research team at TU Wien, working together with the data storage technology company Cerabyte ...

Take a moment to look at the screen you are reading this on. Whether it is a phone or a monitor, you are staring through a material that has baffled scientists for centuries. Glass is everywhere, but ...

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.