Optical discs store data for millions of years

 

Optical discs could be used for data storage in the future thanks to a new breakthrough involving the application of diamond materials.

Diamonds are not only a symbol of eternal love, but also have incredible information storage potential. Recently, researchers developed a diamond-based optical data storage disc that can store 1.85 TB of information in just 1 cm 3 . For comparison, a diamond optical disc the size of a standard Blu-ray disc can hold up to 100 TB of data, equivalent to 2,000 Blu-ray discs, and can last much longer than the limited lifespan of these discs.

Optical discs store data for millions of years - Photo 1.

Diamonds help solve the problem of long-term data storage over time

PHOTO: SCREENSHOT

Advantages of diamond-based optical discs

This diamond-based optical storage disc could change the way we process data. Researchers have discovered a technique that uses laser pulses to modify the internal structure of diamonds, creating tiny gaps at the atomic level. These gaps not only exhibit unique levels of brightness, but also form the basis of the storage system. By adjusting the power of the laser, they can precisely control the number and arrangement of the gaps, achieving 99% accuracy in storing and retrieving data, including historical photographs.

Unlike traditional storage solutions such as hard drives or traditional optical discs, which often degrade over time and require periodic maintenance, diamond-based optical discs can retain data for millions of years at room temperature without maintenance. Currently, this storage medium is quite expensive and large in size. The research team hopes that in the future, this technology can be miniaturized into compact devices such as microwave ovens.

While the technology is not yet ready for commercialization, it promises to be a huge boon for organizations that need to preserve data long-term. With further advancements, diamonds could become the ultimate storage solution for humanity’s digital legacy.

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