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Soft-drink cans beat the diffraction limit

Nature (2011)Cite this article

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To focus sound to a point, all you need is a thirst for fizzy drinks.

Sound, like light, can be tricky to manipulate on small scales. Try to focus it to a point much smaller than one wavelength and the waves bend uncontrollably — a phenomenon known as the diffraction limit. But now, a group of physicists in France has shown how to beat the acoustic diffraction limit — and all it needs is a bunch of soft-drink cans.

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References

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Authors
  1. Jon Cartwright
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Geoffroy Lerosey

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Cartwright, J. Soft-drink cans beat the diffraction limit. Nature (2011). https://doi.org/10.1038/news.2011.406

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  • DOI: https://doi.org/10.1038/news.2011.406

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