electrification

# Everyone can popularize science and have new knowledge # From friction electrification to friction nano generator More than 2000 years ago, the ancient Greeks discovered that amber rubbed with fur or wool fabric could attract light and small objects, thus discovering the phenomenon of friction electrification. Matter in the universe is actually composed of atoms, which are composed of smaller nuclei and electrons moving around the nucleus. The nuclei are positively charged and the electrons are negatively charged. The essence of triboelectrification is that two different materials have different…