> Just one gram of DNA can store the equivalent of 14,000 Blu-ray discs.
Of course, the circuitry needed to find and retrieve the info would be larger than that, and a pretty healthy chunk of the data would be needed to keep the rest of it organized. BTW, it sez here that the avg human has about 250 grams of DNA, give or take needing to go on a diet, I suppose. ;’)
http://www.reddit.com/r/askscience/comments/1auxn0/what_percentage_of_our_body_mass_is_dna/
“Of course, the circuitry needed to find and retrieve the info would be larger than that, and a pretty healthy chunk of the data would be needed to keep the rest of it organized.”
They have to seal the DNA is a shell of silica to preserve it, so I don’t think it could be readily accessed. Probably only useful for some serious long-term storage.