SMRTR Science & EngineeringFeb 19, 2026Scientific American

Microsoft scientists invent tiny glass ‘books’ that could store data for millennia

SMRTR summary

Microsoft Research scientists developed a revolutionary glass data storage system using lasers to etch information into tiny glass blocks, capable of storing 4.8 terabytes in a piece smaller than a smartphone and preserving data for over 10,000 years. This breakthrough could replace current archival systems that only last decades, potentially creating permanent glass libraries to store humanity's most important records.

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