This engaging physics demonstration showcases the principles of electrostatics in a way that’s easy for students to grasp. The central metal sphere, likely part of a Van de Graaff generator, builds up a high static charge, which transfers to the student touching it. As a result, his body and the tiny particles around him become similarly charged, causing them to repel and appear to float on their own. The movement of the rod with fluffy ends might be influencing the electric field, further enhan