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The Physical Limits of Computing
May/June 2002 (vol. 4 no. 3)
pp. 16-26

Can the 20th-century trend of exponentially improving computer technology be maintained throughout the 21st century? Our best present-day understanding of physics suggests not. Many of the fundamental limits on information processing from thermodynamics, relativity, and quantum mechanics are only a few decades away. Novel physically motivated computing paradigms such as reversible computing and quantum computing may help in certain ways, but even they remain subject to some basic limits.

Index Terms:
physics, quantum computing, reversible computing
Citation:
Michael P. Frank, "The Physical Limits of Computing," Computing in Science and Engineering, vol. 4, no. 3, pp. 16-26, May-June 2002, doi:10.1109/5992.998637
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