Efficient conversion of low-grade heat into useful power is a challenge. A new approach using magnetocaloric materials and a pretzel-like magnetic field topology offers a simple way of generating electrical power from heat with improved efficiency.
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Rowe, A.M. A new twist. Nat Energy 4, 12–13 (2019). https://doi.org/10.1038/s41560-018-0307-9
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DOI: https://doi.org/10.1038/s41560-018-0307-9
