Tiny 5D glass disks for store terabytes of data
Researchers have created a 5D disc that records data in 5 dimensions, lasting billions of years. It can store 360 terabytes of data and withstand temperatures up to 1000 degrees.
Files on the disk are made of three layers of nanodots. Five disk dimensions relate to the size and orientation of the points, as well as their position within the three dimensions. When light passes through a disk, the dots change the polarization of light, which is read by a microscope and polarizer.
The Southampton team that is developing the disc was able to record the Universal Declaration of Human Rights, Optics of Newton, Magna Map and the Bible on the disc. In a few years, such a disk will no longer be an experiment but will become the norm for data storage.
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