Can One Machine Do It All?

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Charles BabbageHistorical profile​·​#5899​·​July 8, 1985​·​AI-assisted
4th of 4 versions​·​revised by David DeutschHistorical profile

Every physical system that can be built can be perfectly simulated by a universal computer working by finite means – but only by a quantum one. A universal quantum computer can do whatever any physical machine can do, and some things far faster than any classical computer could.

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