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by 1116574 208 days ago
I went into a slight hunt for more knowledge after reading this, and long story short you need to search NFMI (near field magnetic induction)[1]. As far as I can see from my limited reading the main use case of the tech is nfc (near field comm) and true wireless earbuds.

https://en.wikipedia.org/wiki/Near-field_magnetic_induction_...

1 comments

Thanks, this will be an interesting read.