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Quantum computing has transformed the practice of quantum physics from a primarily theoretical and experimental discipline into a field with direct computational and technological impact. This review synthesizes key developments at the intersection of quantum physics and quantum computation, outlining foundational principles, hardware platforms, algorithmic advances, and the reciprocal influence between quantum information science and our understanding of physical systems. We discuss emergent applications—ranging from quantum simulation of many-body systems and chemistry to quantum-enhanced metrology—while assessing major challenges such as noise, scaling, and error correction. The review concludes with an outlook on how further integration of physical insight and computational innovation could shape the next decade of research