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Is information the key?

Quantum information science has brought us novel means of calculation and communication. But could its theorems hold the key to understanding the quantum world at its most profound level? Do the truly fundamental laws of nature concern — not waves and particles — but information?

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Figure 1: Assign classical bits 0 and 1 to, for example, the ground and excited states of an atom, and the power of quantum computation is unleashed.


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Brassard, G. Is information the key?. Nature Phys 1, 2–4 (2005).

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