The Universal Declaration of Human Rights will last beyond humans, probably, as it has been recorded on a medium that will last 13.8 billion years (at 190°C), said the University of Southampton, whose Optoelectronics Research Centre (ORC) recorded it. The file is written in three layers of nano-structured dots separated by five micrometres into quartz by femtosecond ...
Optical memory lasts for billions of years
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