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A simple and general fabrication method for magnetic helical micromachines with or without claw‐like protrusions is reported by Li Zhang and co‐workers on page 811. The dynamics of motion control reveal that corkscrew motion can always be generated when the input frequency of the rotating magnetic field is sufficiently high. The micromachines exhibit excellent swimming behavior, low cytotoxicity,...
A simple and general fabrication method for helical swimming micromachines by direct laser writing and e‐beam evaporation is demonstrated. The magnetic helical devices exhibit varying magnetic shape anisotropy, yet always generate corkscrew motion using a rotating magnetic field. They also exhibit good swimming performance and are capable of pick‐and‐place micromanipulation in 3D. Cytotoxicity of...
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