Scientists develop an energy harvesting technology based on ferromagnetic resonance

https://www.osaka-cu.ac.jp/en/news/2021/scientists-develop-an-energy-harvesting-technology-based-on-ferromagnetic-resonance (open access)

"by controlling the thermal conditions of the thin film to be within FMR [ferromagnetic resonance] excitation range, energy can be stored by all the electromagnetic waves that surround us – including Wi-Fi"

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