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Stashed inside the midnight-cherry Roadster was a mysterious, small object designed to last for millions (perhaps billions) of years – even in extreme environments like space, or on the distant surfaces of far-flung planetary bodies.
Called an Arch (pronounced 'Ark'), this tiny storage device is built for long-term data archiving, holding libraries of information encoded on a small disc of quartz crystal, not much larger than a coin.
According to Arch Mission Foundation, the California-based nonprofit behind the technology, these Archs could "preserve and disseminate humanity's knowledge across time and space, for the benefit of future generations".
The Arch looks like a shrunk-down DVD or Blu-ray, but its potential for data storage goes way beyond any optical discs you have in your home.
The technology, developed by physicist Peter Kazansky from the University of Southampton in the UK, can theoretically hold up to 360 terabytes of data, about the same amount as 7,000 Blu-Ray discs.