The document discusses the field of robotics, which involves designing, building, operating, and using robots through interdisciplinary research in computer science and engineering. The goal of robotics is to create intelligent machines that can help and assist humans in their daily lives and ensure safety. Robots are currently used in hazardous environments, manufacturing, industries, medical science, military applications, and more. Examples mentioned include Sophia, a humanoid robot capable of human-like expressions and interaction; drones used for various purposes such as delivery, agriculture, and monitoring; NASA's Mars Exploration Rover; and Mitra, an Indian humanoid that uses artificial intelligence capabilities.