Repetition is probably the simplest method of error control. If an experiment fails, repeat it, and do so until it eventually succeeds. Quantum mechanics gives leeway for alternative approaches.
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Høyer, P. When errors are intolerable. Nature Phys 1, 141–142 (2005). https://doi.org/10.1038/nphys184
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DOI: https://doi.org/10.1038/nphys184
