#GuinnessWorldRecord broken! 🏆 #TUWien & #Cerabyte create the world's smallest #QRCode pixels at just 49nm – smaller than bacteria! Etched into a thin #ceramic layer, readable only with an electron microscope 🔬
📐 Total size: just 1.98 square micrometers – beating the previous record by 63%
🔬 Pixel size: 49 nanometers – smaller than an average bacterium, invisible to optical microscopes
🧵 👇
