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Physics

Quantum computing

The race is on to build a computer that exploits quantum mechanics. Such a machine could solve problems in physics, mathematics and cryptography that were once thought intractable, revolutionizing information technology and illuminating the foundations of physics. But when?

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Figure 1: Artist's impression of an ion-trap quantum computing laboratory.

NIK SPENCER

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Knill, E. Quantum computing. Nature 463, 441–443 (2010). https://doi.org/10.1038/463441a

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