Knowty on Instagram: "Dm for Credit / Removal The post showcases a plasma globe video where purple plasma filaments respond to hand touches on the glass surface, prompting the author's surprise at glass seemingly conducting electricity. In reality, glass insulates direct current but permits capacitive coupling with high-frequency alternating current, allowing plasma streams to follow the electric field without electrons crossing the glass. Posted on December 25, 2025, the video amassed 1.7 milli