A sapphire disk etched in platinum could preserve information for future generations to decipher 10 million years from now (Photo: Kluka)
Storing data for longer than a few years is tricky enough with rapidly advancing technology, so what are you supposed to do if you need to store data for thousands or even millions of years? That's just the problem facing nuclear waste management companies, who need a way to warn future civilizations of hazardous sites that will withstand the test of time. Luckily a recent proposal may have the solution with a sapphire disk etched in platinum that could survive longer than humanity itself.
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