Learn about groundbreaking developments in quantum sensing technology and its applications in cosmic archaeology through this comprehensive lecture delivered by distinguished physicist Swapan Chattopadhyay. Explore fundamental concepts from the Higgs boson and neutrinos to advanced topics like squeeze states and quantum non-demolition measurements. Discover how atomic interferometry is being used to detect dark matter and understand the intricacies of single electron-photon entanglement and statistics. The presentation covers theoretical frameworks and practical applications, including charge exchange processes and threshold calculations, providing valuable insights into the intersection of quantum mechanics and cosmological research. Engage with complex physics concepts through a structured progression that builds from foundational principles to cutting-edge research applications in quantum sensing and particle physics.