Universalhub on Instagram: "This video offers a classic and electrifying demonstration of physics in action. A student is shown placing her hand on a Van de Graaff generator, a device that accumulates significant amounts of static electricity. As the machine runs, it transfers electrons to the student's body; because each individual hair follicle becomes similarly charged, they begin to repel one another. The result is a humorous and striking visual where her hair stands on end, reaching upward