TechnologyARMY on Instagram: "The Van de Graaff generator is a classic electrostatic machine that uses a moving belt to accumulate extremely high voltage inside a hollow metal sphere — sometimes reaching up to 5 million volts. ⚡ Invented in 1929 by American physicist Robert J. Van de Graaff, this device shows how electric charge behaves in a simple, yet mind-blowing way. When someone touches the charged sphere, the generator transfers electric charge directly to their body. Each hair follicle re