Knowledge Is Power on Instagram: "One spark of static electricity turns hair into a living physics experiment ⚡🧑‍🔬 When a person touches a Van de Graaff generator, their hair doesn’t rise by magic, it rises because of charge. The generator transfers the same type of electric charge to every strand of hair. Since like charges repel, each strand pushes away from the others, forcing the hair to stand straight up and spread outward. The effect looks dramatic, but it’s simply electrostatic force ov