{Quantum mechanics|cTopic=Fundamental concepts} Quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated or interact in ways such that the quantum state of each particle cannot be described independently – instead, a quantum state may be given for the system as a whole. Measurements of physical pr... Found on http://en.wikipedia.org/wiki/Quantum_entanglement
(from the article `Physical Sciences`) ...transfer of information from one place to another. It circumvents the restriction on exceeding the speed of light (a restriction imposed by ... ...has proved difficult. Although the potential of quantum computers is enormous, the requirements are equally stringent. A quantum computer must ... ... Found on http://www.britannica.com/eb/a-z/q/4