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Making Single Electrons Compute

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Science  17 Jan 1997:
Vol. 275, Issue 5298, pp. 303-304
DOI: 10.1126/science.275.5298.303

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As chipmakers shrink features on computer chips to ever smaller dimensions, electrons begin to spill over the barriers meant to confine them. Now researchers are designing a new class of devices that overcomes this problem by manipulating electrons one at a time. These new devices could give rise to computers that are far more powerful—and less power-hungry—than today's computers.