Electricity: From Micro to Macro

This lecture provides illustrations of the diverse applications of electricity, ranging from lightning to electron microscopes. It introduces the vast range of electrical phenomena, from the microscopic scale of nanometers to the macroscopic scale of megavolts. The lecture also covers the importance of units in electricity, such as kilovolts and megavolts, and explores the development of supercapacitors for energy storage. Additionally, it discusses the generation of electricity through renewable sources like wind turbines and hydropower, highlighting the global distribution of renewable energy production. The lecture concludes by examining the transmission of electromagnetic waves, including the slow Schumann waves that encircle the Earth in the ionosphere.