Quantum Computing

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be in more than one place at the same time, in which a particle can penetrate a barrier without breaking it, in which something can be both a wave and a particle, and in which widely separated particles can cooperate in an almost psychic fashion, is bound to be both thrilling and bemusing. Niels Bohr, one of the founders of the theory, once remarked that anybody who is not shocked by quantum mechanics hasn't understood it.
For decades the complexity and incredibility of the quantum world was an obstacle to the theory being known outside the scientific community. Then in the 1970's a number of writers recognized that the deep philosophical implications of quantum mechanics would be of considerable interest to the wider public, especially as some of the quantum mechanics concepts were of a mystical origin. In addition, technological advances enabled certain key ideas of the theory to be tested in the laboratory for the first time, amid considerable publicity.
Although this ...

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of machines with molecular dimensions. This means that machines utilizing nanotechnology will be very small or microscopic. These machines will have potential applications in many fields such as medicine, computing and the fabrication of new and exotic materials. Quantum technologists can already trap individual atoms and experiment with them. "Quantum technologists can bounce atoms up and down on cunningly sculpted electromagnetic fields, produce atomic graffiti by displacing single atoms on a material surface, and display the structure of a crystal atom by atom. (Benjamin)"
These experiments probe the deep quantum regime, where Heisenberg's uncertainty principle and ...

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