At a mere 2 square micrometers in size, this is the world's smallest QR code and it's 'smaller than most bacteria'
PC Gamer
by James Bentley February 19, 2026
AI-Generated Deep Dive Summary
TU Wien in Vienna, Austria, has created the world’s smallest QR code, measuring just 1.98 square micrometers—smaller than most bacteria. This groundbreaking achievement, recognized by Guinness World Records, was etched into a thin ceramic layer using individual pixels of only 49 nanometers in size. Unlike traditional QR codes visible to the human eye, this microscopic version is invisible and can only be scanned with an electron microscope. The research team at TU Wien used advanced scanning techniques, analyzing the code under a microscope before confirming its functionality by scanning it on a monitor.
This innovative approach to data storage opens new possibilities for future applications. By embedding information into stable ceramic materials, researchers aim to create durable storage solutions that require minimal energy and cooling, reducing environmental impact. The process mirrors ancient inscription methods, ensuring data longevity without degradation over time. While the technology is still in its experimental phase, it hints at potential advancements in data storage, particularly for high-performance tools.
For gaming enthusiasts and PC users, this development could pave the way for groundbreaking hardware or software innovations. Imagine AR/VR devices or next-generation consoles that leverage nanoscale QR codes for advanced tracking or encoding systems. Though consumer-grade phones are far from scanning such tiny
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Originally published on PC Gamer on 2/19/2026