Harvard scientists turn a silicon chip into a DNA writing machine

According to ScienceDaily, Harvard scientists have turned an ordinary silicon chip into a tiny DNA writing machine. Using nothing but electricity and water-based enzymes, the chip can spell out dozens of DNA sequences at once, sidestepping the harsh chemicals that conventional DNA manufacturing relies on. The researchers say the approach could one day fit into portable DNA-writing devices, or even underpin massive DNA-based data storage. The catch: scaling it up will take new chemistry that hasn't been worked out yet.

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