Scientists under Microsoft’s Project Silica have developed a revolutionary method to store massive amounts of data in a small piece of glass. According to a report published in the journal Nature titled “Laser Writing in Glass for Dense, Fast and Efficient Archival Data Storage,” the team has used a special laser to encode information inside glass by creating three-dimensional pixels called voxels. A 12-square-centimeter glass piece, only 2 millimeters thick, can hold up to 4.84 terabytes of data—equivalent to about two million books or five thousand 4K movies.
The Independent reported that this glass-based storage can endure temperatures up to 290°C and remain intact for around 10,000 years, potentially even longer at room temperature. However, it may be vulnerable to mechanical stress or chemical corrosion. Researchers Feng Chen and Bo Wu noted that large-scale implementation of this silica technology could mark a milestone in the history of knowledge preservation, comparable to ancient scripts, parchment, or modern hard drives.
If successfully scaled, this innovation could transform how humanity preserves cultural and scientific knowledge for millennia.
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