Electrons can be shuttled around according to their 'spin', as well as their charge. Do this efficiently in a semiconductor and the future of electronics starts to look very different.
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Roukes, M. Electronics in a spin. Nature 411, 747–748 (2001). https://doi.org/10.1038/35081213
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DOI: https://doi.org/10.1038/35081213
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