A Twitch Streamer and creator has revealed a probably extremely dangerous balance "hack," attaching electrodes behind her ears to pass a current through her head. The sensation, galvanic vestibular stimulation (GVS), uses electrical signals to affect a person's balance. As such, it can be used to simulate G-force in racing games, or perhaps more interestingly, to control the direction and movements real-life human being with a joystick or Xbox controller.
