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Abstract
| This chapter explores quantum physics, tracing the journey from theoretical concepts to real-world applications. It begins by discussing entanglement, a fundamental concept famously described as “spooky action at a distance” by Einstein. The chapter provides a historical overview of the EPR paradox and tracks the development of our understanding of entanglement. It then shifts focus to the practical realm of quantum technology, highlighting its applications in communication, computing, and cryptography, in particular focusing on CERN point of view. Through discussing cutting-edge experiments and technological advancements, the chapter underscores the transformative potential of entanglement. Overall, it offers a comprehensive overview of how theoretical ideas in quantum physics have evolved into tangible technologies, shaping the contemporary scientific landscape. |