https://www.nature.com/articles/d41586-026-00502-2 Skip to main content Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Advertisement Advertisement Nature * View all journals * Search * Log in * Content Explore content * About the journal * Publish with us * Subscribe * Sign up for alerts * RSS feed 1. nature 2. news 3. article * NEWS * 18 February 2026 Microsoft team creates 'revolutionary' data-storage system that lasts for millennia Researchers use mini plasma explosions to encode the equivalent of two million books into a coaster-sized device. The method could preserve research data for millennia with minimal storage costs. By * Elizabeth Gibney 1. Elizabeth Gibney View author publications Search author on: PubMed Google Scholar * Email * Bluesky * Facebook * LinkedIn * Reddit * Whatsapp * X A researcher holds a piece of the laser treated glass in a gloved hand. Microscoft's glass storage method can store 4.8 terabytes of data. Credit: Microsoft Research Researchers at Microsoft have created a data-storage system that can remain readable for at least 10,000 years -- and probably much longer. In the digital age, the need for data storage is ballooning. But current magnetic tapes and hard drives are ill-suited for long-term data storage because they degrade in about ten years. This "impressive" glass-based alternative could "in principle, act as near-permanent archival storage for backup of critical data", says Mark Bathe, a biological engineer at the Massachusetts Institute of Technology in Cambridge. The Microsoft team used a high-energy laser to imprint deformations into a 3D chunk of borosilicate glass, the kind used in ovenware. Each deformation encodes data that can be read out using a microscope. A 12-centimetrewide, 2-millimetre-thick square of the glass can store 4.8 terabytes of data, the equivalent of around two million printed books, the authors demonstrate in their paper published in Nature on 18 February^1. Writing and reading the data is considerably more convoluted than opening a file on a hard drive, but the information is much more secure. Tests suggest that the data would survive for 10,000 years at a temperature of 290 oC and potentially for tens or hundreds of times longer at room temperature, says Richard Black, a computer scientist who led the initiative, known as Project Silica, at Microsoft Research in Cambridge, UK. [d41586-026] 'Do-it-yourself' data storage on DNA paves way to simple archiving system Although the glass method requires specialist hardware to write and read data, the paper demonstrates that glass storage has gone beyond a materials experiment and is now a "deployable archival system", says Long Qian, a computational synthetic biologist at Peking University in Beijing. "By showing a complete system ... they have shown how this technology can truly revolutionize the data-centre industry," says Peter Kazansky, a researcher in optoelectronics at the University of Southampton, UK, and a previous collaborator with Microsoft on glass storage. Nanoscale plasma explosions Both magnetic tapes and hard drives encode data by using an electromagnet to magnetize tiny areas of a metal film in different orientations to represent 1s and 0s. But these tiny magnets can readily lose their magnetism, says Black, which means long-term storage requires regularly copying and re-writing the information. "The nice thing about the glass is, once it's written, it's immutable. You're done," he says. The storage for the device needs no temperature control or maintenance. Kazansky and his colleagues developed the underlying physics behind laser-writing technology and still hold the Guinness World Record for the most durable digital storage medium for glass-based storage using fused silica. Microsoft began to build on their work in 2017. Although Kazansky's approach maximizes durability and the density of data, in the latest work, Microsoft has gone for practicality. They explore a method that enables data to be written faster and decoded more reliably than did Project Silica's previous iterations, says Black, and it uses cheaper borosilicate glass, rather than harder-to-make fused silica. To encode information, the team used a laser firing in intense bursts, a few quadrillionths of a second long, to zap the glass at precise points and with a specific amount of energy. At each point, this creates a "plasma-induced nano explosion", says Black, deforming the glass and changing how light travels through it. Researchers write the data using these tiny deformations, then read them out using a microscope that can pick up the shift in light's behaviour as it passes through each point. Enjoying our latest content? Log in or create an account to continue * Access the most recent journalism from Nature's award-winning team * Explore the latest features & opinion covering groundbreaking research Access through your institution or Sign in or create an account # Continue with Google # Continue with ORCiD doi: https://doi.org/10.1038/d41586-026-00502-2 References 1. Microsoft Research Project Silica Team. Nature https://doi.org/ 10.1038/s41586-025-10042-w (2026). 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