Flapping Bird (VIDEO)
Caption
The video shows the movements of the microrobot in the form of a bird that is only a few tens of micrometres across. The drawing at the top left illustrates with different colours that the arrangements of nanomagnets on each component can be magnetised differently. Below is shown how each of the panels is then magnetised differently (red arrows). The video (bottom right) shows that the flapping movement (top right) actually takes place.
Credit
Paul Scherrer Institute/Swiss Federal Institute of Technology, Zurich
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