Waveguide technology is a method used to direct electromagnetic waves, such as light or radio signals, through a specific path. This is achieved using structures called waveguides, which can be made from various materials like glass or metal. By confining the waves within these guides, waveguide technology allows for efficient transmission with minimal loss of energy, making it essential in applications like telecommunications and radar systems. In addition to telecommunications, waveguide technology plays a crucial role in the field of fiber optics. Here, light signals are transmitted through thin strands of glass, enabling high-speed internet and data transfer. This technology is also used in microwave ovens and satellite communications, showcasing its versatility and importance in modern technology.