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Storing Incredible Amounts Of Memory In Water And DNA

DNA is almost unimaginably small—up to 90,000 molecules can fit into the width of one human hair—so even such a large library is totally invisible to the human eye. They have successfully stored 5.5 petabits of data—around 700 terabytes—in a single gram of DNA, smashing the previous DNA data density record by a factor of one thousand.

DNA is a long, coiled molecular “ladder”—the famous double helix structure—comprising four chemical rungs, adenine, cytosine, guanine and thymine, which team up in pairs. The contents are “read” by sequencing the DNA—as is routinely done today in genetic fingerprinting—and turning it back into computer code.

AUTHOR: Curator
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