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

  • 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