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 ...
Walt (oneminmicro) on MSN
A 20 dollar bank note under the microscope
A close-up look at a 20 dollar bank note reveals hidden textures, fibers, and micro-details invisible to the naked eye.
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