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Digital Logic Gate Using Quantum-Dot Cellular Automata

Scientists at the University of Notre Dame's Department of Electrical Engineering have developed "computer circuits that can be built to work without electricity -- a tiny initial charge is all that is needed." However, a major obstacle that needs to be overcome before the circuits can be useful is that they seem to work at temperatures just above absolute zero. This breakthrough was published in the April 9, 1999 issue of Science, which can be viewed by subscribers.
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Date Issued 1999
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Date of Scout Publication 1999-04-14
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