Discover the world's smallest QR code, created on durable ceramic for long-term data storage. This breakthrough offers massive, energy-free data archiving. Learn more! Researchers at TU Wien, in collaboration with the data storage company Cerabyte, have developed the world's smallest QR code, which measures just 1.98 square micrometres, smaller than most bacteria. This exceptionally tiny pattern has been officially... [2485 chars]