For me it’s the notification light you used to find on older phones, was particularly good to know if your phone was charged without picking it up

  • SnipingNinja
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    6 months ago

    Idk if that’s another name for them, but what I meant was polymagnets

    • Natanael
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      6 months ago

      Those use arrays of electropermanent magnets

      • SnipingNinja
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        6 months ago

        Aah cool, interesting

        Edit: let me pick your brain regarding them as it seems you know more about them, is it feasible? What I described that is