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Essay
Nature 430, 971 (26 August 2004) | doi:10.1038/430971a; Published online 25 August 2004
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Concept Going into reverse
Seth Lloyd1
- Seth Lloyd is in the Department of Mechanical Engineering, Massachusetts Institute of Technology 3-160, Cambridge, Massachusetts 02139, USA.
Abstract
Reversible computation: how feasible is a computer that is both logically and physically reversible?
Nothing in life is certain except death, taxes and the second law of thermodynamics. All three are processes in which useful or accessible forms of some quantity, such as energy or money, are transformed into useless, inaccessible forms of the same quantity.
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