Dance of the Photons: From Einstein to Quantum Teleportation

Anton Zeilinger, a Nobel laureate in physics, explains his experiments in quantum entanglement. Einstein rejected certain aspects of quantum theory because he believed physics must describe reality. He famously called the idea of "spooky action at a distance"—the notion that distant elementary particles could influence each other's properties—a concept his colleague Erwin Schrödinger termed "quantum entanglement." Zeilinger and his colleagues conducted experiments in various locations, including a sewage tunnel beneath the Danube River and between mountain peaks in the Canary Islands. Using photons created by laser beams, they demonstrated that quantum entanglement is real. The principles discovered may have applications in other fields, such as quantum computing. In this book, Zeilinger guides readers through the world of quantum physics, explaining recent advances in a way accessible to those without a physics background.