Data storage Guinness World Record broken by QR code pixels measuring just 49nm - 1.98 sq micrometer size is smaller than bacteria, can only be read with an electron microscope

Data storage Guinness World Record broken by QR code pixels measuring just 49nm - 1.98 sq micrometer size is smaller than bacteria, can only be read with an electron microscope

• Data storage Guinness World Record broken by QR code pixels measuring just 49nm - 1.98 sq micrometer size is smaller than bacteria, can only be read with an electron microscope T

World's smallest QR code, read via electron microscope, earns Guinness recognition

• 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 t

Science · February 17, 2026 (updated February 24, 2026) · 1 min · 145 words