Books and JavaScript Stored in DNA Molecules
By Douglas Heaven,
New Scientist
| 08. 16. 2012
Forget
flash – the computers of the future might store data in DNA.
George Church of the Wyss Institute at Harvard University and colleagues have encoded a 53,400-word book, 11 JPG images and a JavaScript program – amounting to 5.27 million bits of data in total – into sequences of DNA. In doing so, they have beaten the previous record set by
J. Craig Venter's team in 2010 when they encoded a 7920-bit watermark in their synthetic bacterium.
DNA is one of the most dense and stable media for storing information known. In theory, DNA can encode two bits per nucleotide. That's 455 exabytes – roughly the capacity of 100 billion DVDs – per gram of single-stranded DNA, making it five or six orders denser than currently available digital media, such as flash memory. Information stored in DNA can also be read
thousands of years after it was first laid down.Until now, however, the
difficulty and cost involved in reading and writing long sequences of DNA has made large-scale data storage impractical. Church and his team got round this...
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