Researchers at the National Institute of Science and Technology have used microwaves to entangle ions in yet another step toward developing quantum computers. Quantum entanglement is a feature of quantum physics in which two atoms are linked together in such a way that in order to describe the properties of one, you must describe the properties of the other. The use of microwaves instead of the normally employed laser beams to entangle the ions indicates that we may be able to shrink down the size of quantum computers.
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