The direct conversion of heat into electricity — a reversible process known as the thermoelectric effect — can be greatly enhanced in some materials by embedding them with a small number of magnetic nanoparticles. See Letter p.247
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Boona, S. Nanomagnets boost thermoelectric output. Nature 549, 169–170 (2017). https://doi.org/10.1038/549169a
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DOI: https://doi.org/10.1038/549169a
