Microsoft's Project Silica team details its laser-modified glass storage tech, saying tests suggest that it can preserve large amounts of data for 10,000+ years

Gizmodo 2026-02-20 Gayoung Lee

Context & Ripple Effects

Project Silica has moved from a film-storage proof of concept with Warner Bros to reported durability testing, giving Microsoft a more concrete basis for pursuing glass as an archival medium. The work also sits alongside earlier research into high-density 5D glass data storage, rather than emerging from an untested storage category.

For Microsoft, the significance is long-horizon preservation: the reported results concern an archive medium designed to retain data far beyond conventional hardware replacement cycles, not a near-term change to everyday cloud storage.

First-order effects

Microsoft gains technical validation for Project Silica’s laser-modified glass approach, strengthening its case to continue research and engineering around long-lived archives.
Potential archive users get evidence of a medium aimed at preserving large data volumes for more than 10,000 years, though the report does not establish commercial availability or operating costs.

Second-order effects

If the technology advances toward deployment, archival-storage decisions could shift from recurring media migration toward the upfront cost, retrieval workflow, and integration requirements of a durable glass tier.
The results raise the bar for other long-term storage approaches—including the earlier 5D glass-storage research—to demonstrate not only longevity but practical write, read, and scale characteristics.

Third-order effects

A viable ultra-long-lived archive tier could separate infrequently accessed preservation data from active cloud storage more sharply, changing where providers spend on media refresh and data migration.
The broader shift remains contingent on manufacturability and retrieval economics, but the work points toward storage infrastructure being designed around data lifetime as well as capacity and speed.

The trend: Cloud and research-storage programs are exploring media that reduce the need to repeatedly migrate long-lived data as digital archives continue to expand.

Discussion

@msftresearch @msftresearch on x
Project Silica introduces new techniques for encoding data in borosilicate glass, as described in the journal Nature. These advances lower media cost and simplify writing and reading systems while supporting 10,000-year data preservation: https://www.microsoft.com/... [image]
@rohanpaul_ai Rohan Paul on x
Breakthrough research by Microsoft, the most durable archival storage for data centers. 4.8TB inside a glass platter that could last 10,000 years. In this work the platter is about 120mm by 120mm and about 2mm thick. Archives today usually use magnetic tape or disks, and [image]
@wretchardthecat @wretchardthecat on x
Microsoft has announced a technology that will store data on silica glass that will last 10,000 years to overcome the current limited lifetime of magnetic storage. I guess we too can become the Krell. https://www.microsoft.com/...
@satyanadella Satya Nadella on x
Today in @Nature, we shared new results from Project Silica—our work to encode data in glass—pushing toward durable, immutable archival storage designed to last for millennia. https://www.microsoft.com/...
@bettycjung Betty C. Jung on bluesky
Microsoft's Glass Chip Holds Terabytes of Data for 10,000 Years — “This will change the way we think about keeping data and archival preservation.” — gizmodo.com/microsofts-g...
r/technology r on reddit
Microsoft's new 10,000-year data storage medium: glass
@mattsheffield@mastodon.social Matthew Sheffield on mastodon
Super cool: Glass as the new permanent storage medium—potentially lasting more than 10,000 years https://www.nature.com/...

Chronicles