Hi all, Maybe you inquisitive folks can help me figure this out. Let's just say I don't have a lot of inventory in the physics department. The other night I was laying in bed with my girlfriend. We were using a king-sized electric blanket, which has 2 separate (as far as I can tell) heating circuits - 1 for her side and 1 for mine. I assume it's 2 because we each have a power cable to plug into the wall. My hand brushed against her back and I felt a subtle sensation, like a vibration, or when you rub your finger over rubber. There was no shock, static, or anything unpleasant. At first I thought there was friction because she had just rubbed lotion into her skin - maybe my finger rubbing across was resonating with the natural frequency of her flesh or something. No matter where I touched her - arm, neck, etc - it created the exact same sensation. By this time she had woken up and was getting annoyed at me (it was late and she thought I was trying to wake her up for something else :D), but I was beginning to worry that this was being caused by the electric blanket, and that perhaps it was faulty. I told her to hang on so I could experiment more. I discovered that whenever I placed both of my hands on her, the sensation disappeared. When I only touched her with one hand, the sensation returned. The sensation also occurred only when my hand moved against her skin. When my hand was at rest on her back, I could feel nothing different. I removed the blanket from the bed and the sensations disappeared. Anyone here know what's going on? And should I be terrified of getting electrocuted by this blanket? We haven't used it since.