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Project Silica Breakthrough Lets Microsoft Store Digital Data in Glass for 10,000 Years

Microsoft's Project Silica uses lasers and machine learning to store data in low-cost borosilicate glass, preserving terabytes for over 10,000 years with error correction.

  • Microsoft reported in Nature a laser-based method that etches data into 2mm borosilicate glass sheets.
  • Because humanity produced zetabytes of data stored on hard drives that degrade, many digital records are less permanent than they appear.
  • The team focused on borosilicate rather than specialty glass, as prior approaches used costly specialty glass impractical for scaling, while borosilicate offers durability and availability.
  • While promising, the approach won't replace existing infrastructure soon, as Microsoft warned data centers won't be filled with glass hard drives any time soon, and constant backups remain unsustainable.
  • If scaled, the method could preserve data for 10,000 years and safeguard AI and training datasets valuable to systems like ChatGPT.
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A palm-sized sheet of glass can preserve the information of up to two million books for thousands of years. The data is written with laser pulses to archive the future.

·Budapest, Hungary
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Tech Spot broke the news in on Thursday, February 19, 2026.
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