*Really* long-term storage

The 10 to 100 gigabits of data per square inch on today’s memory cards has an estimated life expectancy of only 10 to 30 years. A new development, using iron nanoparticles enclosed in a hollow carbon nanotube, promises to store thousands of times more data with an estimated lifespan of more than one billion years. The reader comments that follow this short article raise some interesting questions. http://www.physorg.com/news162061022.html
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