A "Robot Dog" is a robotic device designed to mimic the appearance and behavior of a real dog. These machines often feature advanced technology, including sensors, cameras, and artificial intelligence, allowing them to interact with their environment and respond to commands. They can perform various tasks, such as walking, running, and even playing games, making them popular for entertainment and companionship. Many companies, like Boston Dynamics, have developed robot dogs for different purposes, including research, security, and assistance. Unlike real dogs, robot dogs do not require food or grooming, making them low-maintenance alternatives for those who enjoy the idea of having a pet without the responsibilities.