Scientists have created soft microrobots whose body shapes can be controlled by structured light, and which self-propel by means of travelling-wave body deformations similar to those exhibited by swimming protozoa.
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Aranson, I. Swimmers by design. Nature 531, 312–313 (2016). https://doi.org/10.1038/531312a
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DOI: https://doi.org/10.1038/531312a
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