This lecture explores the magnetic, chemical, and electrical steering of light at the nanoscale, focusing on topics such as magnetization, plasmon localization, and reconfigurable optics. It delves into the use of nanoscale structures to control light, including silicon nanoantennas, nanodisks, and nanowires. The presentation covers the manipulation of light through external control mechanisms and the development of innovative optical devices. The discussion also includes the integration of nanotechnology with optics, showcasing advancements in steering light at the nanoscale for various applications.