Scientists have long dreamt of converting molten iron oxide to iron and oxygen using electricity. An anode material that withstands the high temperatures and corrosive chemicals involved brings the dream closer to reality. See Letter p.353
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*This article and the paper under discussion2 were published online on 8 May 2013.
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Fray, D. Iron production electrified. Nature 497, 324–325 (2013). https://doi.org/10.1038/nature12102
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