Original news saved on 6 February 2010, 03:45 GMT
from Science Daily. More below:
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Quantum computing leap forward: altering a lone electron without disturbing its neighbors
A major hurdle in the ambitious quest to design and construct a radically new kind of quantum computer has been finding a way to manipulate the single electrons that very likely will constitute the new machines' processing components or "qubits." Now, a physicist has discovered how to do just that -- demonstrating a method that alters the properties of a lone electron without disturbing the trillions of electrons in its immediate surroundings. The feat is essential to the development of future varieties of superfast computers with near-limitless capacities for data.