Microsoft Unveils Project Silica Breakthrough for 10,000-Year Glass Data Storage

Published in the journal Nature on February 18, 2026, the latest findings from Microsoft’s Project Silica reveal that a single glass platter—just 2mm thick and 12cm square—can hold up to 4.84 terabytes of data. This capacity is roughly equivalent to 2 million printed books or 5,000 high-definition (4K) movies, effectively challenging the limitations of modern magnetic storage.

The technology utilizes high-speed femtosecond lasers to encode data as voxels—three-dimensional pixels—within the silica glass. Unlike traditional hard drives or magnetic tapes that degrade within decades and require constant power for climate control, this glass storage is passive and incredibly resilient. Accelerated aging tests suggest the data can remain intact and readable for over 10,000 years, even when exposed to extreme temperatures of up to 290°C. This breakthrough addresses the "Digital Dark Age" by providing a permanent, immutable medium for human knowledge that is resistant to water, heat, and electromagnetic pulses.

Researchers Feng Chen and Bo Wu from Shandong University, who authored an accompanying News & Views article in Nature, described the invention as a landmark in the history of information preservation. They likened its potential impact to that of ancient oracle bones or medieval parchment, noting that a single piece of glass could one day "carry the torch of human culture across millennia." While the technology is currently optimized for long-term archival use rather than daily computing, its ability to save massive amounts of energy by eliminating the need for refrigerated data centers marks it as a major step toward sustainable technology.