A new approach to sensing mechanical motion allows high-frequency measurements to be made with cantilevers that are smaller than the wavelength of light.
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Mamin, J. Small strains, big gains. Nature Nanotech 2, 81–82 (2007). https://doi.org/10.1038/nnano.2007.11
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DOI: https://doi.org/10.1038/nnano.2007.11
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