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Quantum physics

Uncertain future

The uncertainty principle limits the accuracy of measurement at the quantum level. A device sensitive to subatomic-scale displacement has come close to revealing that principle in action in the macroscopic world.

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Figure 1: Closer to the limit.

References

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Blencowe, M. Uncertain future. Nature 424, 262–263 (2003). https://doi.org/10.1038/424262a

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