The continuous random path of a superconducting system's quantum state has been tracked as the state changes during measurement. The results open the possibility of steering quantum systems into a desired state. See Letter p.211
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Jordan, A. Watching the wavefunction collapse. Nature 502, 177–178 (2013). https://doi.org/10.1038/502177a
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DOI: https://doi.org/10.1038/502177a
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