Physics World

World’s smallest QR code paves the way for ultralong-life data storage

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Scientists Create World’s Smallest QR Code, Smaller Than Bacteria

Key Highlights Researchers at TU Wien and Cerabyte created the world’s smallest QR code, measuring just 1.98 square micrometers. The record has been officially verified by Guinness World Records, ...
Morning Overview on MSN

World’s tiniest QR code packs a record 2TB of data on a single page

Researchers at TU Wien in Vienna have created a QR code so small it can only be read with an electron microscope. The code measures roughly 1.98 square micrometers, with individual pixels about 49 ...

At a mere 2 square micrometers in size, this is the world's smallest QR code and it's 'smaller than most bacteria'

The QR code is so small, in fact, that it can "only be recognised with an electron microscope". As a result, the research ...