Ever worry about long term storage of your valuable data but worry that tapes will rot, disks crash, flash die and optical media be cannibalized by the ink printed on them? How about a process which should hold 360TB of data for 13.8 billion years at 190C and far longer at room temperatures? Researchers in the UK have come up with a rather impressive technique for storing data for the long haul using lasers and optical media. They are writing to fuzed quartz glass with femtosecond pulses of light to create three layers of voxels or an optical vortex if you prefer, which are created by the polarization of a vortex by firing that laser through nano-gratings. Check out more at The Register.
"Boffins in the UK’s Southampton University have devised a five-dimensional storage scheme using glass, femtolasers and a lifespan of billions of years, so they say."
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