Squares may be unfashionable, but for electronic circuitry no other shape will do. A method for making square arrays of polymeric nanoparticles could herald the next generation of miniature silicon chips.
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Ryan, A. Squaring up with polymers. Nature 456, 334–336 (2008). https://doi.org/10.1038/456334a
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DOI: https://doi.org/10.1038/456334a
