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Originally Posted by nightdiamond  Bio-Circuits counts as one of the weirdest devices I've seen, because you can actually feel the energy or ripples of vibrations running through your body, and there are no batteries or electrical currents connected to this device. |
You don't need bio-circuits to experience this. If you get more sensitive to energy, you can feel it without any external devices.
The sensitivity to energy can be developed through a variety of different ways, including qigong, taichi, meditation or magickal practices.