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The lithography techniques we rely on to give us the latest in electronics are getting more expensive and technically challenging with each new process shrink. A number of researchers are now looking into whether we can solve some of the problems by turning to biology. Biological systems self-assemble into complex, ordered structures on the nanometer scale, all at room temperature and with cheap ingredients. The latest development in biology-based circuity comes courtesy of researchers at MIT who have crafted a battery with an anode wired-up using a virus. But that's probably not even the best part—these nanoscale batteries can be printed onto most conducting surfaces.
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