Scientists from the University of Science and Technology of China have proposed a revolutionary data storage technology that can record information in diamonds with a density 10,000 times greater than that of conventional DVDs. The new technique promises to retain data for millions of years thanks to the unique stability of the diamond structure.
The technology is based on the use of ultra-fast lasers with pulses of approximately 200 femtoseconds. The laser beam changes the atomic structure of the diamond, knocking out individual carbon atoms and creating empty points that encode information. These changes create a robust and durable optical medium that can store data for enormous periods of time without loss.
For now, the recording process requires complex laboratory equipment, but scientists are confident that over time it could be simplified to the size of a desktop device. One of the first demonstrations was a recording of Eadweard Muybridge’s famous “moving pictures” series from 1878. Tests have shown data extraction accuracy to be over 99%.
One cubic centimeter of diamond media can hold up to 1.85 TB of data, making the technology suitable for archives, research institutes and libraries where long-term storage and high data density are required. Although the technology is still in its early stages of development, its potential opens the way to creating new standards in digital storage, providing durability unattainable with traditional media.
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Source: VG Times
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