THE POWER OF ENTANGLEMENT

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The power of entanglement

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Hating the inherent randomness of quantum mechanics, Einstein tried to show that the theory was incomplete by drawing attention to a phenomenon that we now call entanglement. As it turns out, entangled particles are the key to quantum computing.

EINSTEIN is rightly famed for his revolutionary work on relativity. But he was also one of the founders of quantum physics and in 1905 became the first physicist to apply Max Planck's quantum hypothesis to light. Einstein realized that the quantum picture can be used to describe the photoelectric effect – that only light above a certain frequency can eject electrons from the surface of a metal. Indeed, it was mainly for deriving the law of the photoelectric effect that he was awarded the 1921 Nobel Prize for Physics.