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its resonant mag coupling, not the traditional magnetic induction which is in transformer.transformer doesn't work if the coils separated 5m apart. but witricity works across the room. electric toothbrush are also like transformer
could it be possible that, two resonant coils 5m apart can transfer electricity wirelessly by magnetic induction coupling?
witricity invented group give this explanation to their technology.whether it is true or they didn't want to leak their technology ideas?
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