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I've had my magnet in me for quite a while now and I've gotten used to most of the day-to-day fields, like the microwave and my laptop. I recently bought a vaporizer (https://www.gpen.com/collections/g-pro if anyone wanted to know the specifics) and I've noticed that quite often I'd feel a vibration in my implant when I would use the device. Except, I thought you could only really feel AC current (since the magnet has to oscillate). Any explanations?
I'm thinking maybe I'm picking up the effects of a current-feedback op amp? Or is it just that the field generated by the coil is wavering in amplitude, giving the sensation of vibration in my magnet?