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Medical Microbots Need Better Imaging and Control

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Helical microbot

A helical micromotor helps an immotile but healthy bovine sperm cell get to an egg in culture.

Credit: M. Medina-Snchez, L. Schwarz, A. K. Meyer, F. Hebenstreit & O. G. Schmidt/Nano Lett. 16, 555561 (2016)

More than 50 years ago, physicist Richard Feynman spoke of "swallowing the surgeon" in his classic lecture, 'There's plenty of room at the bottom'.

From Nature
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