An atomic-force microscope, operating at low temperatures, can be used to create and tailor quantum electronic devices, and could provide a means of building the intricate circuits needed for quantum computing.
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Ashoori, R. Drawing quantum circuitry. Nature 424, 730–731 (2003). https://doi.org/10.1038/424730a
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DOI: https://doi.org/10.1038/424730a
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