2024-02-23 17:01:00
DVDs stopped being used by most people many years ago. Among the main reasons for this are limited storage space and the growth of streaming, but this problem appears to have been solved by scientists at the Shanghai University of Science and Technology, who created a disk with a capacity of up to 200 terabytes.
The “super DVD” is an optical disc obtained from a 3D planar recording architecture with a highly transparent and uniform photoresist film. This film is dyed with an aggregation-induced emission dye to be stimulated by femtosecond lasers.
This technology allows you to create up to 100 layers for recordings on each side of the disc, which allows you to store up to 200 terabytes on one drive.
For comparison purposes, a Blu-ray disc can have up to 4 layers, totaling up to 100 GB. For comparison purposes, the new disc can store the same as 2,000 Blu-rays with PlayStation 5 games or 4K movies.
Furthermore, scientists say that the new disk has a durability that can vary between 50 and 100 years, making it a great option for companies to store data that cannot be discarded in the long term. This means the new disk might revolutionize data storage in data centersas it consumes less energy and generates less heat than current disks.
Initially, the developers imagined that the new disks would be suitable for corporate use, but now they are thinking that they might also be a great option for families to have data centers at home instead of using cloud storage.
The only problem is that researchers have not yet developed a fast and affordable reading drive for the “super DVD”, so the next step is to create a compatible drive to make this technology viable.
Imagem da capa: Phil Hearing (@philhearing)
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