Transcript
Hello and welcome to our quick explainer on DNA data storage. First, digital files are converted into sequences of the four DNA bases—adenine, thymine, cytosine and guanine—in a process known as encoding. This transformation turns bits into biological language, the same code that has stored life's instructions for billions of years. Next, the encoded information is built into actual strands of DNA using advanced synthesis techniques; laboratories use chemical or enzyme‐based methods to add one base at a time with great precision. Finally, when it is time to retrieve the data, the stored DNA is sequenced by modern instruments that read the order of bases. The retrieved sequence is then decoded back into its original digital form. This method harnesses extraordinary data density and long-term stability, making DNA a promising solution for archival storage that can preserve information for thousands of years.
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