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Robots, defined as programmable machines that perform tasks autonomously or semi-autonomously, have evolved from sci-fi concepts to essential tools in modern life, combining tech innovation and practical use.​ Their capabilities have advanced significantly due to recent progress in sensor technology and mechanical engineering. Early robots (like mid-20th-century industrial arms) only did repetitive manufacturing tasks, but now they serve diverse functions: surgical robots aid in precise, minimally invasive operations; autonomous drones deliver goods or monitor the environment; household robots handle chores like vacuuming and cooking; and industrial "cobots" work with humans to boost productivity and reduce injury risks in dangerous tasks.​ Robots offer great benefits to tackle global issues. In healthcare, they enable remote monitoring of the elderly or disabled for timely care in underserved areas. In agriculture, they optimize farming processes to improve efficiency and cut manual labor reliance. In disaster zones, search-and-rescue robots find survivors in dangerous areas, protecting humans. Also, they take over boring repetitive work, letting humans focus on creative, analytical, and emotionally rewarding jobs.​ Yet, robots bring ethical and societal problems. Job displacement is a major worry, as automation threatens roles in manufacturing, retail, and customer service (needing reskilling programs and policy reforms to help workers). Privacy and security risks exist too, since robot cameras and sensors collect lots of data, which may lead to surveillance or data leaks. Moreover, as self-operating robots grow more independent, there are debates about accountability (e.g., who is responsible for self-driving car accidents or care robot harms).​ Despite challenges, robots’ potential to improve human life is clear. With ethical guidelines and proper regulation, they can enhance efficiency, safety, and quality of life across industries. The future lies in human-robot collaboration—using machines’ strengths (precision, endurance, data processing) and humans’ strengths (creativity, empathy, critical thinking) to build a more sustainable and inclusive world. Robots are not human replacements but valuable allies.