Ultra-tiny ceramic QR code could store data for centuries without power

1 min read
Source: ScienceDaily
Ultra-tiny ceramic QR code could store data for centuries without power
Photo: ScienceDaily
TL;DR

Researchers etched a 1.98-square-micrometer QR code into a thin ceramic film, readable only with an electron microscope, demonstrating a durable, energy-free data storage method that could hold over 2 TB per A4 sheet for centuries or millennia and has earned a Guinness World Record.

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