Researchers at the University of Southampton's Optical Research Center have announced that they have perfected a technique that can record data in 5 dimensions and keep it safe for billions of years, reports the science magazine Engadget.
The method etches data into a thermally stable disc using femtosecond laser bursts. The storage medium itself holds up to 360 TB per disc, can withstand temperatures up to 1000 degrees C and are estimated to last up to 13.8 billion years at room temperature without degrading.
Each file is comprised of three layers of nanoscale dots. The dots' size and orientations, as well as their position within the three standard dimensions, constitute its five dimensions. These dots change the polarization of light travelling through the disc which is read using a microscope and polarizer.
The Southampton team originally demonstrated the technology back in 2013 though, at that point, they could only fit a 300kb test file onto a disc. In the three years since their first demonstration, they've essentially perfected the recording technique and have since recorded the entirety of the Universal Declaration of Human Rights (UDHR), Newton's Opticks, Magna Carta and Kings James Bible.
"It is thrilling to think that we have created the technology to preserve documents and information and store it in space for future generations," Professor Peter Kazansky from the ORC said in a statement. "This technology can secure the last evidence of our civilisation: all we've learnt will not be forgotten."
If someone find it of course, and just happen to speak English.
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